diff --git a/.travis.yml b/.travis.yml
index a0707ec20..bc0bb8415 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,6 @@ dist: trusty
 node_js:
   - 8
   - 10
-sudo: required
 addons:
   firefox: latest
   apt:
diff --git a/appengine/app.yaml b/appengine/app.yaml
index 8938830f8..887349dc1 100644
--- a/appengine/app.yaml
+++ b/appengine/app.yaml
@@ -1,5 +1,5 @@
 application: blockly-demo
-version: 1
+version: 20190722
 runtime: python27
 api_version: 1
 threadsafe: no
diff --git a/blockly_compressed.js b/blockly_compressed.js
index 5ba31bf73..a5f2b1aec 100644
--- a/blockly_compressed.js
+++ b/blockly_compressed.js
@@ -281,7 +281,7 @@ goog.string.unescapeEntitiesUsingDom_=function(a,b){var c={"&amp;":"&","&lt;":"<
 a+" ")),e=d.firstChild.nodeValue.slice(0,-1));return c[a]=e})};goog.string.unescapePureXmlEntities_=function(a){return a.replace(/&([^;]+);/g,function(a,c){switch(c){case "amp":return"&";case "lt":return"<";case "gt":return">";case "quot":return'"';default:if("#"==c.charAt(0)){var b=Number("0"+c.substr(1));if(!isNaN(b))return String.fromCharCode(b)}return a}})};goog.string.HTML_ENTITY_PATTERN_=/&([^;\s<&]+);?/g;
 goog.string.whitespaceEscape=function(a,b){return goog.string.newLineToBr(a.replace(/  /g," &#160;"),b)};goog.string.preserveSpaces=function(a){return a.replace(/(^|[\n ]) /g,"$1"+goog.string.Unicode.NBSP)};goog.string.stripQuotes=function(a,b){for(var c=b.length,d=0;d<c;d++){var e=1==c?b:b.charAt(d);if(a.charAt(0)==e&&a.charAt(a.length-1)==e)return a.substring(1,a.length-1)}return a};
 goog.string.truncate=function(a,b,c){c&&(a=goog.string.unescapeEntities(a));a.length>b&&(a=a.substring(0,b-3)+"...");c&&(a=goog.string.htmlEscape(a));return a};goog.string.truncateMiddle=function(a,b,c,d){c&&(a=goog.string.unescapeEntities(a));if(d&&a.length>b){d>b&&(d=b);var e=a.length-d;a=a.substring(0,b-d)+"..."+a.substring(e)}else a.length>b&&(d=Math.floor(b/2),e=a.length-d,a=a.substring(0,d+b%2)+"..."+a.substring(e));c&&(a=goog.string.htmlEscape(a));return a};
-goog.string.specialEscapeChars_={"\x00":"\\0","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\x0B":"\\x0B",'"':'\\"',"\\":"\\\\","<":"<"};goog.string.jsEscapeCache_={"'":"\\'"};goog.string.quote=function(a){a=String(a);for(var b=['"'],c=0;c<a.length;c++){var d=a.charAt(c),e=d.charCodeAt(0);b[c+1]=goog.string.specialEscapeChars_[d]||(31<e&&127>e?d:goog.string.escapeChar(d))}b.push('"');return b.join("")};
+goog.string.specialEscapeChars_={"\x00":"\\0","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\x0B":"\\x0B",'"':'\\"',"\\":"\\\\","<":"\\u003C"};goog.string.jsEscapeCache_={"'":"\\'"};goog.string.quote=function(a){a=String(a);for(var b=['"'],c=0;c<a.length;c++){var d=a.charAt(c),e=d.charCodeAt(0);b[c+1]=goog.string.specialEscapeChars_[d]||(31<e&&127>e?d:goog.string.escapeChar(d))}b.push('"');return b.join("")};
 goog.string.escapeString=function(a){for(var b=[],c=0;c<a.length;c++)b[c]=goog.string.escapeChar(a.charAt(c));return b.join("")};
 goog.string.escapeChar=function(a){if(a in goog.string.jsEscapeCache_)return goog.string.jsEscapeCache_[a];if(a in goog.string.specialEscapeChars_)return goog.string.jsEscapeCache_[a]=goog.string.specialEscapeChars_[a];var b=a.charCodeAt(0);if(31<b&&127>b)var c=a;else{if(256>b){if(c="\\x",16>b||256<b)c+="0"}else c="\\u",4096>b&&(c+="0");c+=b.toString(16).toUpperCase()}return goog.string.jsEscapeCache_[a]=c};goog.string.contains=goog.string.internal.contains;goog.string.caseInsensitiveContains=goog.string.internal.caseInsensitiveContains;
 goog.string.countOf=function(a,b){return a&&b?a.split(b).length-1:0};goog.string.removeAt=function(a,b,c){var d=a;0<=b&&b<a.length&&0<c&&(d=a.substr(0,b)+a.substr(b+c,a.length-b-c));return d};goog.string.remove=function(a,b){return a.replace(b,"")};goog.string.removeAll=function(a,b){var c=new RegExp(goog.string.regExpEscape(b),"g");return a.replace(c,"")};goog.string.replaceAll=function(a,b,c){b=new RegExp(goog.string.regExpEscape(b),"g");return a.replace(b,c.replace(/\$/g,"$$$$"))};
@@ -1099,10 +1099,8 @@ Blockly.RenderedConnection.prototype.highlight=function(){var a=this.type==Block
 Blockly.RenderedConnection.prototype.unhideAll=function(){this.setHidden(!1);var a=[];if(this.type!=Blockly.INPUT_VALUE&&this.type!=Blockly.NEXT_STATEMENT)return a;var b=this.targetBlock();if(b){if(b.isCollapsed()){var c=[];b.outputConnection&&c.push(b.outputConnection);b.nextConnection&&c.push(b.nextConnection);b.previousConnection&&c.push(b.previousConnection)}else c=b.getConnections_(!0);for(var d=0;d<c.length;d++)a.push.apply(a,c[d].unhideAll());a.length||(a[0]=b)}return a};
 Blockly.RenderedConnection.prototype.unhighlight=function(){Blockly.utils.dom.removeNode(Blockly.Connection.highlightedPath_);delete Blockly.Connection.highlightedPath_};Blockly.RenderedConnection.prototype.setHidden=function(a){(this.hidden_=a)&&this.inDB_?this.db_.removeConnection_(this):a||this.inDB_||this.db_.addConnection(this)};
 Blockly.RenderedConnection.prototype.hideAll=function(){this.setHidden(!0);if(this.targetConnection)for(var a=this.targetBlock().getDescendants(!1),b=0;b<a.length;b++){for(var c=a[b],d=c.getConnections_(!0),e=0;e<d.length;e++)d[e].setHidden(!0);c=c.getIcons();for(e=0;e<c.length;e++)c[e].setVisible(!1)}};Blockly.RenderedConnection.prototype.isConnectionAllowed=function(a,b){return this.distanceFrom(a)>b?!1:Blockly.RenderedConnection.superClass_.isConnectionAllowed.call(this,a)};
-Blockly.RenderedConnection.prototype.connect=function(a){Blockly.RenderedConnection.superClass_.connect.call(this,a);if(this.hidden_||a.hidden_){a=this.isSuperior()?this:a;a.hidden_?a.hideAll():a.unhideAll();var b=a.targetBlock(),c=a.hidden_?"none":"block";b.getSvgRoot().style.display=c;b.rendered=!a.hidden_}};
-Blockly.RenderedConnection.prototype.disconnect=function(){var a=this.isSuperior()?this:this.targetConnection;if(this.targetConnection&&a.hidden_){a.unhideAll();var b=a.targetBlock();b.getSvgRoot().style.display="block";b.rendered=!0;a.setHidden(!0)}Blockly.RenderedConnection.superClass_.disconnect.call(this)};
 Blockly.RenderedConnection.prototype.disconnectInternal_=function(a,b){Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this,a,b);a.rendered&&a.render();b.rendered&&(b.updateDisabled(),b.render())};
-Blockly.RenderedConnection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);b=this.targetBlock();if(!b)throw Error("Couldn't respawn the shadow block that should exist here.");b.initSvg();b.render(!1);a.rendered&&!this.hidden_&&a.render()}};Blockly.RenderedConnection.prototype.neighbours_=function(a){return this.dbOpposite_.getNeighbours(this,a)};
+Blockly.RenderedConnection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b&&Blockly.Events.recordUndo){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);b=this.targetBlock();if(!b)throw Error("Couldn't respawn the shadow block that should exist here.");b.initSvg();b.render(!1);a.rendered&&a.render()}};Blockly.RenderedConnection.prototype.neighbours_=function(a){return this.dbOpposite_.getNeighbours(this,a)};
 Blockly.RenderedConnection.prototype.connect_=function(a){Blockly.RenderedConnection.superClass_.connect_.call(this,a);var b=this.getSourceBlock();a=a.getSourceBlock();b.rendered&&b.updateDisabled();a.rendered&&a.updateDisabled();b.rendered&&a.rendered&&(this.type==Blockly.NEXT_STATEMENT||this.type==Blockly.PREVIOUS_STATEMENT?a.render():b.render())};
 Blockly.RenderedConnection.prototype.onCheckChanged_=function(){this.isConnected()&&!this.checkType_(this.targetConnection)&&((this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug(),this.sourceBlock_.bumpNeighbours_())};Blockly.InsertionMarkerManager=function(a){this.topBlock_=Blockly.selected=a;this.workspace_=a.workspace;this.lastMarker_=this.lastOnStack_=null;this.firstMarker_=this.createMarkerBlock_(this.topBlock_);this.localConnection_=this.closestConnection_=null;this.wouldDeleteBlock_=!1;this.markerConnection_=null;this.highlightingBlock_=!1;this.highlightedBlock_=null;this.availableConnections_=this.initAvailableConnections_()};
 Blockly.InsertionMarkerManager.prototype.dispose=function(){this.workspace_=this.topBlock_=null;this.availableConnections_.length=0;this.localConnection_=this.closestConnection_=null;Blockly.Events.disable();try{this.firstMarker_&&(this.firstMarker_.dispose(),this.firstMarker_=null),this.lastMarker_&&(this.lastMarker_.dispose(),this.lastMarker_=null)}finally{Blockly.Events.enable()}this.highlightedBlock_=null};Blockly.InsertionMarkerManager.prototype.wouldDeleteBlock=function(){return this.wouldDeleteBlock_};
@@ -1542,7 +1540,7 @@ Blockly.BlockSvg.TOP_LEFT_CORNER_START_HIGHLIGHT_LTR="m 0.5,"+(Blockly.BlockSvg.
 Blockly.BlockSvg.INNER_TOP_LEFT_CORNER=Blockly.BlockSvg.NOTCH_PATH_RIGHT+" h -"+(Blockly.BlockSvg.NOTCH_WIDTH-15-Blockly.BlockSvg.CORNER_RADIUS)+" a "+Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS+" 0 0,0 -"+Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS;Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER="a "+Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS+" 0 0,0 "+Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS;
 Blockly.BlockSvg.INNER_TOP_LEFT_CORNER_HIGHLIGHT_RTL="a "+Blockly.BlockSvg.CORNER_RADIUS+","+Blockly.BlockSvg.CORNER_RADIUS+" 0 0,0 "+(-Blockly.BlockSvg.DISTANCE_45_OUTSIDE-.5)+","+(Blockly.BlockSvg.CORNER_RADIUS-Blockly.BlockSvg.DISTANCE_45_OUTSIDE);Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_RTL="a "+(Blockly.BlockSvg.CORNER_RADIUS+.5)+","+(Blockly.BlockSvg.CORNER_RADIUS+.5)+" 0 0,0 "+(Blockly.BlockSvg.CORNER_RADIUS+.5)+","+(Blockly.BlockSvg.CORNER_RADIUS+.5);
 Blockly.BlockSvg.INNER_BOTTOM_LEFT_CORNER_HIGHLIGHT_LTR="a "+(Blockly.BlockSvg.CORNER_RADIUS+.5)+","+(Blockly.BlockSvg.CORNER_RADIUS+.5)+" 0 0,0 "+(Blockly.BlockSvg.CORNER_RADIUS-Blockly.BlockSvg.DISTANCE_45_OUTSIDE)+","+(Blockly.BlockSvg.DISTANCE_45_OUTSIDE+.5);Blockly.BlockSvg.prototype.getHeightWidth=function(){var a=this.height,b=this.width,c=this.getNextBlock();c?(c=c.getHeightWidth(),a+=c.height-4,b=Math.max(b,c.width)):this.nextConnection||this.outputConnection||(a+=2);return{height:a,width:b}};
-Blockly.BlockSvg.prototype.render=function(a){if(this.workspace){Blockly.Field.startCache();this.rendered=!0;var b=Blockly.BlockSvg.SEP_SPACE_X;this.RTL&&(b=-b);for(var c=this.getIcons(),d=0;d<c.length;d++)b=c[d].renderIcon(b);b+=this.RTL?Blockly.BlockSvg.SEP_SPACE_X:-Blockly.BlockSvg.SEP_SPACE_X;c=this.renderCompute_(b);this.renderDraw_(b,c);this.renderMoveConnections_();!1!==a&&((a=this.getParent())?a.render(!0):this.workspace.resizeContents());Blockly.Field.stopCache()}};
+Blockly.BlockSvg.prototype.render=function(a){Blockly.Field.startCache();this.rendered=!0;var b=Blockly.BlockSvg.SEP_SPACE_X;this.RTL&&(b=-b);for(var c=this.getIcons(),d=0;d<c.length;d++)b=c[d].renderIcon(b);b+=this.RTL?Blockly.BlockSvg.SEP_SPACE_X:-Blockly.BlockSvg.SEP_SPACE_X;c=this.renderCompute_(b);this.renderDraw_(b,c);this.renderMoveConnections_();!1!==a&&((a=this.getParent())?a.render(!0):this.workspace.resizeContents());Blockly.Field.stopCache()};
 Blockly.BlockSvg.prototype.renderFields_=function(a,b,c){c+=Blockly.BlockSvg.INLINE_PADDING_Y;this.RTL&&(b=-b);for(var d=0,e;e=a[d];d++){var f=e.getSvgRoot();if(f){var g="";if(this.RTL){var h=b-=e.renderSep+e.renderWidth;e.renderWidth&&(b-=Blockly.BlockSvg.SEP_SPACE_X)}else h=b+e.renderSep,e.renderWidth&&(b+=e.renderSep+e.renderWidth+Blockly.BlockSvg.SEP_SPACE_X);this.RTL&&e instanceof Blockly.FieldImage&&e.getFlipRtl()&&(g="scale(-1 1)",h+=e.renderWidth);f.setAttribute("transform","translate("+h+
 ","+c+")"+g);this.isInsertionMarker()&&f.setAttribute("display","none")}}return this.RTL?-b:b};
 Blockly.BlockSvg.prototype.renderCompute_=function(a){var b=this.inputList,c=[];c.rightEdge=a+2*Blockly.BlockSvg.SEP_SPACE_X;if(this.previousConnection||this.nextConnection)c.rightEdge=Math.max(c.rightEdge,Blockly.BlockSvg.NOTCH_WIDTH+Blockly.BlockSvg.SEP_SPACE_X);for(var d=0,e=0,f=!1,g=!1,h=!1,k=void 0,l=this.getInputsInline()&&!this.isCollapsed(),n=0,m;m=b[n];n++)if(m.isVisible()){if(l&&k&&k!=Blockly.NEXT_STATEMENT&&m.type!=Blockly.NEXT_STATEMENT)var p=c[c.length-1];else k=m.type,p=[],p.type=l&&
@@ -1650,7 +1648,7 @@ e)};goog.inherits(Blockly.FieldImage,Blockly.Field);Blockly.FieldImage.fromJson=
 Blockly.FieldImage.prototype.initView=function(){this.imageElement_=Blockly.utils.dom.createSvgElement("image",{height:this.height_+"px",width:this.width_+"px",alt:this.text_},this.fieldGroup_);this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.value_)};Blockly.FieldImage.prototype.doClassValidation_=function(a){return"string"!=typeof a?null:a};
 Blockly.FieldImage.prototype.doValueUpdate_=function(a){this.value_=a;this.imageElement_&&this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.value_||"")};Blockly.FieldImage.prototype.getFlipRtl=function(){return this.flipRtl_};Blockly.FieldImage.prototype.setText=function(a){null!==a&&(this.text_=a,this.imageElement_&&this.imageElement_.setAttribute("alt",a||""))};Blockly.FieldImage.prototype.showEditor_=function(){this.clickHandler_&&this.clickHandler_(this)};
 Blockly.Field.register("field_image",Blockly.FieldImage);Blockly.FieldNumber=function(a,b,c,d,e){this.setConstraints(b,c,d);a=this.doClassValidation_(a);null===a&&(a=0);Blockly.FieldNumber.superClass_.constructor.call(this,a,e)};goog.inherits(Blockly.FieldNumber,Blockly.FieldTextInput);Blockly.FieldNumber.fromJson=function(a){return new Blockly.FieldNumber(a.value,a.min,a.max,a.precision)};Blockly.FieldNumber.prototype.SERIALIZABLE=!0;
-Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){c=parseFloat(c);this.precision_=isNaN(c)?0:c;c=this.precision_.toString();var d=c.indexOf(".");this.fractionalDigits_=-1==d?-1:c.length-(d+1);a=parseFloat(a);this.min_=isNaN(a)?-Infinity:a;b=parseFloat(b);this.max_=isNaN(b)?Infinity:b;this.setValue(this.getValue())};Blockly.FieldNumber.prototype.showEditor_=function(a){this.setSpellcheck(!1);Blockly.FieldNumber.superClass_.showEditor_.call(this,a);this.htmlInput_.type="number"};
+Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){c=parseFloat(c);this.precision_=isNaN(c)?0:c;c=this.precision_.toString();var d=c.indexOf(".");this.fractionalDigits_=-1==d?-1:c.length-(d+1);a=parseFloat(a);this.min_=isNaN(a)?-Infinity:a;b=parseFloat(b);this.max_=isNaN(b)?Infinity:b;this.setValue(this.getValue())};
 Blockly.FieldNumber.prototype.doClassValidation_=function(a){if(null===a||void 0===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=parseFloat(a||0);if(isNaN(a))return null;a=Math.min(Math.max(a,this.min_),this.max_);this.precision_&&isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);return a=-1==this.fractionalDigits_?a:Number(a.toFixed(this.fractionalDigits_))};Blockly.Field.register("field_number",Blockly.FieldNumber);Blockly.FieldVariable=function(a,b,c,d){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.size_=new goog.math.Size(0,Blockly.BlockSvg.MIN_BLOCK_Y);this.setValidator(b);this.defaultVariableName=a||"";this.setTypes_(c,d);this.value_=null};goog.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,null,a.variableTypes,a.defaultType)};
 Blockly.FieldVariable.prototype.workspace_=null;Blockly.FieldVariable.prototype.SERIALIZABLE=!0;Blockly.FieldVariable.prototype.initModel=function(){if(!this.variable_){var a=Blockly.Variables.getOrCreateVariablePackage(this.workspace_,null,this.defaultVariableName,this.defaultType_);Blockly.Events.disable();this.setValue(a.getId());Blockly.Events.enable()}};
 Blockly.FieldVariable.prototype.fromXml=function(a){var b=a.getAttribute("id"),c=a.textContent,d=a.getAttribute("variabletype")||a.getAttribute("variableType")||"";b=Blockly.Variables.getOrCreateVariablePackage(this.workspace_,b,c,d);if(null!=d&&d!==b.type)throw Error("Serialized variable type with id '"+b.getId()+"' had type "+b.type+", and does not match variable field that references it: "+Blockly.Xml.domToText(a)+".");this.setValue(b.getId())};
@@ -1782,16 +1780,15 @@ Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;",
 "margin-left: 8px;","}",".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: #e4e4e4;","}",".blocklyTreeSeparator {","border-bottom: solid #e5e5e5 1px;","height: 0;","margin: 5px 0;","}",".blocklyTreeSeparatorHorizontal {","border-right: solid #e5e5e5 1px;","width: 0;","padding: 5px 0;","margin: 0 5px;","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","width: 16px;","}",".blocklyTreeIconClosedLtr {","background-position: -32px -1px;",
 "}",".blocklyTreeIconClosedRtl {","background-position: 0 -1px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedLtr {","background-position: -32px -17px;","}",".blocklyTreeSelected>.blocklyTreeIconClosedRtl {","background-position: 0 -17px;","}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeIconNone,",".blocklyTreeSelected>.blocklyTreeIconNone {","background-position: -48px -1px;",
 "}",".blocklyTreeLabel {","cursor: default;","font-family: sans-serif;","font-size: 16px;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}",".blocklyColourTable {","border-collapse: collapse;","}",".blocklyColourTable>tr>td {","border: 1px solid #666;","padding: 0;","}",".blocklyColourTable>tr>td>div {","border: 1px solid #666;","height: 13px;",
-"width: 15px;","}",".blocklyColourTable>tr>td>div:hover {","border: 1px solid #fff;","}",".blocklyColourSelected, .blocklyColourSelected:hover {","border: 1px solid #000 !important;","}","input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,","input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {","-webkit-appearance: none;","margin: 0;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;","cursor: default;",
-"font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyDropDownDiv .goog-menu {","cursor: default;",'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',"outline: none;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem, ",".blocklyDropDownDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;",
-"min-width: 7em;","padding: 5px 5px 5px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl, ",".blocklyDropDownDiv .goog-menuitem.goog-menuitem-rtl {","padding-left: 5px;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem, ",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem, ",".blocklyDropDownDiv .goog-menu-nocheckbox .goog-menuitem, ",".blocklyDropDownDiv .goog-menu-noicon .goog-menuitem { ","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem, ",
-".blocklyDropDownDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content, ",".blocklyDropDownDiv .goog-menuitem-content {","color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel, ",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-content {",
-"color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;","filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight, ",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 4px;","padding-top: 4px;","}",".blocklyDropDownDiv .goog-menuitem-highlight, ",".blocklyDropDownDiv .goog-menuitem-hover {",
-"background-color: rgba(0, 0, 0, 0.2);","}",".blocklyWidgetDiv .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",
-".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","position: static;","float: left;","margin-left: -24px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon, ",
-".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","float: right;","margin-right: -24px;","}",".blocklyWidgetDiv .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-accel {",
-"left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint, ",".blocklyDropDownDiv .goog-menuitem-mnemonic-hint {","text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator, ",".blocklyDropDownDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator, ",".blocklyDropDownDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;",
-"}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
+"width: 15px;","}",".blocklyColourTable>tr>td>div:hover {","border: 1px solid #fff;","}",".blocklyColourSelected, .blocklyColourSelected:hover {","border: 1px solid #000 !important;","}",".blocklyWidgetDiv .goog-menu {","background: #fff;","border-color: #ccc #666 #666 #ccc;","border-style: solid;","border-width: 1px;","cursor: default;","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;",
+"z-index: 20000;","}",".blocklyDropDownDiv .goog-menu {","cursor: default;",'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',"outline: none;","z-index: 20000;","}",".blocklyWidgetDiv .goog-menuitem, ",".blocklyDropDownDiv .goog-menuitem {","color: #000;","font: normal 13px Arial, sans-serif;","list-style: none;","margin: 0;","min-width: 7em;","padding: 5px 5px 5px 28px;","white-space: nowrap;","}",".blocklyWidgetDiv .goog-menuitem.goog-menuitem-rtl, ",".blocklyDropDownDiv .goog-menuitem.goog-menuitem-rtl {",
+"padding-left: 5px;","padding-right: 28px;","}",".blocklyWidgetDiv .goog-menu-nocheckbox .goog-menuitem, ",".blocklyWidgetDiv .goog-menu-noicon .goog-menuitem, ",".blocklyDropDownDiv .goog-menu-nocheckbox .goog-menuitem, ",".blocklyDropDownDiv .goog-menu-noicon .goog-menuitem { ","padding-left: 12px;","}",".blocklyWidgetDiv .goog-menu-noaccel .goog-menuitem, ",".blocklyDropDownDiv .goog-menu-noaccel .goog-menuitem {","padding-right: 20px;","}",".blocklyWidgetDiv .goog-menuitem-content, ",".blocklyDropDownDiv .goog-menuitem-content {",
+"color: #000;","font: normal 13px Arial, sans-serif;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-accel, ",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-content, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-content {","color: #ccc !important;","}",".blocklyWidgetDiv .goog-menuitem-disabled .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-disabled .goog-menuitem-icon {","opacity: 0.3;",
+"filter: alpha(opacity=30);","}",".blocklyWidgetDiv .goog-menuitem-highlight, ",".blocklyWidgetDiv .goog-menuitem-hover {","background-color: #d6e9f8;","border-color: #d6e9f8;","border-style: dotted;","border-width: 1px 0;","padding-bottom: 4px;","padding-top: 4px;","}",".blocklyDropDownDiv .goog-menuitem-highlight, ",".blocklyDropDownDiv .goog-menuitem-hover {","background-color: rgba(0, 0, 0, 0.2);","}",".blocklyWidgetDiv .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-checkbox, ",
+".blocklyDropDownDiv .goog-menuitem-icon {","background-repeat: no-repeat;","height: 16px;","left: 6px;","position: absolute;","right: auto;","vertical-align: middle;","width: 16px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {","left: auto;","right: 6px;","}",".blocklyWidgetDiv .goog-option-selected .goog-menuitem-checkbox, ",
+".blocklyWidgetDiv .goog-option-selected .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-option-selected .goog-menuitem-icon {","position: static;","float: left;","margin-left: -24px;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-icon, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-checkbox, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-icon {",
+"float: right;","margin-right: -24px;","}",".blocklyWidgetDiv .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-accel {","color: #999;","direction: ltr;","left: auto;","padding: 0 6px;","position: absolute;","right: 0;","text-align: right;","}",".blocklyWidgetDiv .goog-menuitem-rtl .goog-menuitem-accel, ",".blocklyDropDownDiv .goog-menuitem-rtl .goog-menuitem-accel {","left: 0;","right: auto;","text-align: left;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-hint, ",".blocklyDropDownDiv .goog-menuitem-mnemonic-hint {",
+"text-decoration: underline;","}",".blocklyWidgetDiv .goog-menuitem-mnemonic-separator, ",".blocklyDropDownDiv .goog-menuitem-mnemonic-separator {","color: #999;","font-size: 12px;","padding-left: 4px;","}",".blocklyWidgetDiv .goog-menuseparator, ",".blocklyDropDownDiv .goog-menuseparator {","border-top: 1px solid #ccc;","margin: 4px 0;","padding: 0;","}",""];Blockly.WidgetDiv={};Blockly.WidgetDiv.DIV=null;Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",document.body.appendChild(Blockly.WidgetDiv.DIV))};
 Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=goog.style.getViewportPageOffset(document);Blockly.WidgetDiv.DIV.style.top=a.y+"px";Blockly.WidgetDiv.DIV.style.direction=b?"rtl":"ltr";Blockly.WidgetDiv.DIV.style.display="block"};
 Blockly.WidgetDiv.hide=function(){Blockly.WidgetDiv.owner_&&(Blockly.WidgetDiv.owner_=null,Blockly.WidgetDiv.DIV.style.display="none",Blockly.WidgetDiv.DIV.style.left="",Blockly.WidgetDiv.DIV.style.top="",Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_(),Blockly.WidgetDiv.dispose_=null,Blockly.WidgetDiv.DIV.innerHTML="")};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};
 Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);0>e?Blockly.WidgetDiv.positionInternal_(a,0,c.height+e):Blockly.WidgetDiv.positionInternal_(a,e,c.height)};
diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
index 3f0524b7f..2fe494c4f 100644
--- a/blockly_uncompressed.js
+++ b/blockly_uncompressed.js
@@ -105,7 +105,7 @@ goog.addDependency("../../../" + dir + "/core/utils/dom.js", ['Blockly.utils.dom
 goog.addDependency("../../../" + dir + "/core/utils/math.js", ['Blockly.utils.math'], []);
 goog.addDependency("../../../" + dir + "/core/utils/rect.js", ['Blockly.utils.Rect'], []);
 goog.addDependency("../../../" + dir + "/core/utils/string.js", ['Blockly.utils.string'], []);
-goog.addDependency("../../../" + dir + "/core/utils/svg_paths.js", ['Blockly.utils.Paths'], []);
+goog.addDependency("../../../" + dir + "/core/utils/svg_paths.js", ['Blockly.utils.svgPaths'], []);
 goog.addDependency("../../../" + dir + "/core/utils/useragent.js", ['Blockly.utils.userAgent'], []);
 goog.addDependency("../../../" + dir + "/core/utils/xml.js", ['Blockly.utils.xml'], []);
 goog.addDependency("../../../" + dir + "/core/variable_events.js", ['Blockly.Events.VarBase', 'Blockly.Events.VarCreate', 'Blockly.Events.VarDelete', 'Blockly.Events.VarRename'], ['Blockly.Events', 'Blockly.Events.Abstract']);
@@ -1865,12 +1865,12 @@ goog.require('Blockly.constants');
 goog.require('Blockly.inject');
 goog.require('Blockly.utils');
 goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.Paths');
 goog.require('Blockly.utils.Rect');
 goog.require('Blockly.utils.colour');
 goog.require('Blockly.utils.dom');
 goog.require('Blockly.utils.math');
 goog.require('Blockly.utils.string');
+goog.require('Blockly.utils.svgPaths');
 goog.require('Blockly.utils.uiMenu');
 goog.require('Blockly.utils.userAgent');
 goog.require('Blockly.utils.xml');
diff --git a/dart_compressed.js b/dart_compressed.js
index 8dd5a2ba5..6b1c195d9 100644
--- a/dart_compressed.js
+++ b/dart_compressed.js
@@ -12,7 +12,7 @@ Blockly.Dart.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").
 Blockly.Dart.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();(e=Blockly.utils.string.wrap(e,Blockly.Dart.COMMENT_WRAP-3))&&(d=a.getProcedureDef?d+Blockly.Dart.prefixLines(e+"\n","/// "):d+Blockly.Dart.prefixLines(e+"\n","// "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Dart.allNestedComments(e))&&(d+=Blockly.Dart.prefixLines(e,"// "))}a=
 a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.Dart.blockToCode(a);return d+b+c};
 Blockly.Dart.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.Dart.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=c?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_ADDITIVE)||f:d?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_UNARY_PREFIX)||f:Blockly.Dart.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseInt(a,10)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.Dart.ORDER_ADDITIVE}else 0>c&&(a=a+" - "+-c,g=Blockly.Dart.ORDER_ADDITIVE);
-d&&(a=c?"-("+a+")":"-"+a,g=Blockly.Dart.ORDER_UNARY_PREFIX);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.Dart.colour={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.Dart.ORDER_ATOMIC]};
+d&&(a=c?"-("+a+")":"-"+a,g=Blockly.Dart.ORDER_UNARY_PREFIX);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.Dart.colour={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.colour_picker=function(a){return[Blockly.Dart.quote_(a.getFieldValue("COLOUR")),Blockly.Dart.ORDER_ATOMIC]};
 Blockly.Dart.colour_random=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_random",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"() {","  String hex = '0123456789abcdef';","  var rnd = new Math.Random();","  return '#${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}';","}"])+"()",Blockly.Dart.ORDER_UNARY_POSTFIX]};
 Blockly.Dart.colour_rgb=function(a){var b=Blockly.Dart.valueToCode(a,"RED",Blockly.Dart.ORDER_NONE)||0,c=Blockly.Dart.valueToCode(a,"GREEN",Blockly.Dart.ORDER_NONE)||0;a=Blockly.Dart.valueToCode(a,"BLUE",Blockly.Dart.ORDER_NONE)||0;Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_rgb",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(num r, num g, num b) {","  num rn = (Math.max(Math.min(r, 100), 0) * 2.55).round();","  String rs = rn.toInt().toRadixString(16);",
 "  rs = '0$rs';","  rs = rs.substring(rs.length - 2);","  num gn = (Math.max(Math.min(g, 100), 0) * 2.55).round();","  String gs = gn.toInt().toRadixString(16);","  gs = '0$gs';","  gs = gs.substring(gs.length - 2);","  num bn = (Math.max(Math.min(b, 100), 0) * 2.55).round();","  String bs = bn.toInt().toRadixString(16);","  bs = '0$bs';","  bs = bs.substring(bs.length - 2);","  return '#$rs$gs$bs';","}"])+"("+b+", "+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
diff --git a/javascript_compressed.js b/javascript_compressed.js
index 4160479be..2ae01922f 100644
--- a/javascript_compressed.js
+++ b/javascript_compressed.js
@@ -14,7 +14,7 @@ Blockly.JavaScript.finish=function(a){var b=[],c;for(c in Blockly.JavaScript.def
 Blockly.JavaScript.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();(e=Blockly.utils.string.wrap(e,Blockly.JavaScript.COMMENT_WRAP-3))&&(d=a.getProcedureDef?d+("/**\n"+Blockly.JavaScript.prefixLines(e+"\n"," * ")+" */\n"):d+Blockly.JavaScript.prefixLines(e+"\n","// "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.JavaScript.allNestedComments(e))&&
 (d+=Blockly.JavaScript.prefixLines(e,"// "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.JavaScript.blockToCode(a);return d+b+c};
 Blockly.JavaScript.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.JavaScript.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_ADDITION)||f:0>c?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_SUBTRACTION)||f:d?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_UNARY_NEGATION)||f:Blockly.JavaScript.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseFloat(a)+c,
-d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.JavaScript.ORDER_ADDITION}else 0>c&&(a=a+" - "+-c,g=Blockly.JavaScript.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.JavaScript.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.JavaScript.colour={};Blockly.JavaScript.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.colour_random=function(a){return[Blockly.JavaScript.provideFunction_("colourRandom",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"() {","  var num = Math.floor(Math.random() * Math.pow(2, 24));","  return '#' + ('00000' + num.toString(16)).substr(-6);","}"])+"()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
+d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.JavaScript.ORDER_ADDITION}else 0>c&&(a=a+" - "+-c,g=Blockly.JavaScript.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.JavaScript.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.JavaScript.colour={};Blockly.JavaScript.colour_picker=function(a){return[Blockly.JavaScript.quote_(a.getFieldValue("COLOUR")),Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.colour_random=function(a){return[Blockly.JavaScript.provideFunction_("colourRandom",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"() {","  var num = Math.floor(Math.random() * Math.pow(2, 24));","  return '#' + ('00000' + num.toString(16)).substr(-6);","}"])+"()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.colour_rgb=function(a){var b=Blockly.JavaScript.valueToCode(a,"RED",Blockly.JavaScript.ORDER_COMMA)||0,c=Blockly.JavaScript.valueToCode(a,"GREEN",Blockly.JavaScript.ORDER_COMMA)||0;a=Blockly.JavaScript.valueToCode(a,"BLUE",Blockly.JavaScript.ORDER_COMMA)||0;return[Blockly.JavaScript.provideFunction_("colourRgb",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b) {","  r = Math.max(Math.min(Number(r), 100), 0) * 2.55;","  g = Math.max(Math.min(Number(g), 100), 0) * 2.55;",
 "  b = Math.max(Math.min(Number(b), 100), 0) * 2.55;","  r = ('0' + (Math.round(r) || 0).toString(16)).slice(-2);","  g = ('0' + (Math.round(g) || 0).toString(16)).slice(-2);","  b = ('0' + (Math.round(b) || 0).toString(16)).slice(-2);","  return '#' + r + g + b;","}"])+"("+b+", "+c+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
 Blockly.JavaScript.colour_blend=function(a){var b=Blockly.JavaScript.valueToCode(a,"COLOUR1",Blockly.JavaScript.ORDER_COMMA)||"'#000000'",c=Blockly.JavaScript.valueToCode(a,"COLOUR2",Blockly.JavaScript.ORDER_COMMA)||"'#000000'";a=Blockly.JavaScript.valueToCode(a,"RATIO",Blockly.JavaScript.ORDER_COMMA)||.5;return[Blockly.JavaScript.provideFunction_("colourBlend",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(c1, c2, ratio) {","  ratio = Math.max(Math.min(Number(ratio), 1), 0);","  var r1 = parseInt(c1.substring(1, 3), 16);",
diff --git a/lua_compressed.js b/lua_compressed.js
index dad652a7f..3d857325b 100644
--- a/lua_compressed.js
+++ b/lua_compressed.js
@@ -7,7 +7,7 @@ Blockly.Lua.ORDER_ATOMIC=0;Blockly.Lua.ORDER_HIGH=1;Blockly.Lua.ORDER_EXPONENTIA
 Blockly.Lua.init=function(a){Blockly.Lua.definitions_=Object.create(null);Blockly.Lua.functionNames_=Object.create(null);Blockly.Lua.variableDB_?Blockly.Lua.variableDB_.reset():Blockly.Lua.variableDB_=new Blockly.Names(Blockly.Lua.RESERVED_WORDS_);Blockly.Lua.variableDB_.setVariableMap(a.getVariableMap())};
 Blockly.Lua.finish=function(a){var b=[],c;for(c in Blockly.Lua.definitions_)b.push(Blockly.Lua.definitions_[c]);delete Blockly.Lua.definitions_;delete Blockly.Lua.functionNames_;Blockly.Lua.variableDB_.reset();return b.join("\n\n")+"\n\n\n"+a};Blockly.Lua.scrubNakedValue=function(a){return"local _ = "+a+"\n"};Blockly.Lua.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/'/g,"\\'");return"'"+a+"'"};
 Blockly.Lua.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();(e=Blockly.utils.string.wrap(e,Blockly.Lua.COMMENT_WRAP-3))&&(d+=Blockly.Lua.prefixLines(e,"-- ")+"\n");for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Lua.allNestedComments(e))&&(d+=Blockly.Lua.prefixLines(e,"-- "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.Lua.blockToCode(a);
-return d+b+c};Blockly.Lua.colour={};Blockly.Lua.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.colour_random=function(a){return['string.format("#%06x", math.random(0, 2^24 - 1))',Blockly.Lua.ORDER_HIGH]};
+return d+b+c};Blockly.Lua.colour={};Blockly.Lua.colour_picker=function(a){return[Blockly.Lua.quote_(a.getFieldValue("COLOUR")),Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.colour_random=function(a){return['string.format("#%06x", math.random(0, 2^24 - 1))',Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.colour_rgb=function(a){var b=Blockly.Lua.provideFunction_("colour_rgb",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b)","  r = math.floor(math.min(100, math.max(0, r)) * 2.55 + .5)","  g = math.floor(math.min(100, math.max(0, g)) * 2.55 + .5)","  b = math.floor(math.min(100, math.max(0, b)) * 2.55 + .5)",'  return string.format("#%02x%02x%02x", r, g, b)',"end"]),c=Blockly.Lua.valueToCode(a,"RED",Blockly.Lua.ORDER_NONE)||0,d=Blockly.Lua.valueToCode(a,"GREEN",Blockly.Lua.ORDER_NONE)||
 0;a=Blockly.Lua.valueToCode(a,"BLUE",Blockly.Lua.ORDER_NONE)||0;return[b+"("+c+", "+d+", "+a+")",Blockly.Lua.ORDER_HIGH]};
 Blockly.Lua.colour_blend=function(a){var b=Blockly.Lua.provideFunction_("colour_blend",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(colour1, colour2, ratio)","  local r1 = tonumber(string.sub(colour1, 2, 3), 16)","  local r2 = tonumber(string.sub(colour2, 2, 3), 16)","  local g1 = tonumber(string.sub(colour1, 4, 5), 16)","  local g2 = tonumber(string.sub(colour2, 4, 5), 16)","  local b1 = tonumber(string.sub(colour1, 6, 7), 16)","  local b2 = tonumber(string.sub(colour2, 6, 7), 16)","  local ratio = math.min(1, math.max(0, ratio))",
diff --git a/php_compressed.js b/php_compressed.js
index 7159e0fde..43a523e72 100644
--- a/php_compressed.js
+++ b/php_compressed.js
@@ -13,7 +13,7 @@ Blockly.PHP.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").r
 Blockly.PHP.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();(e=Blockly.utils.string.wrap(e,Blockly.PHP.COMMENT_WRAP-3))&&(d+=Blockly.PHP.prefixLines(e,"// ")+"\n");for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.PHP.allNestedComments(e))&&(d+=Blockly.PHP.prefixLines(e,"// "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.PHP.blockToCode(a);
 return d+b+c};
 Blockly.PHP.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.PHP.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_ADDITION)||f:0>c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_SUBTRACTION)||f:d?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_UNARY_NEGATION)||f:Blockly.PHP.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseFloat(a)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.PHP.ORDER_ADDITION}else 0>c&&
-(a=a+" - "+-c,g=Blockly.PHP.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.PHP.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.PHP.colour={};Blockly.PHP.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.colour_random=function(a){return[Blockly.PHP.provideFunction_("colour_random",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"() {","  return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);","}"])+"()",Blockly.PHP.ORDER_FUNCTION_CALL]};
+(a=a+" - "+-c,g=Blockly.PHP.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.PHP.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.PHP.colour={};Blockly.PHP.colour_picker=function(a){return[Blockly.PHP.quote_(a.getFieldValue("COLOUR")),Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.colour_random=function(a){return[Blockly.PHP.provideFunction_("colour_random",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"() {","  return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);","}"])+"()",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.colour_rgb=function(a){var b=Blockly.PHP.valueToCode(a,"RED",Blockly.PHP.ORDER_COMMA)||0,c=Blockly.PHP.valueToCode(a,"GREEN",Blockly.PHP.ORDER_COMMA)||0;a=Blockly.PHP.valueToCode(a,"BLUE",Blockly.PHP.ORDER_COMMA)||0;return[Blockly.PHP.provideFunction_("colour_rgb",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($r, $g, $b) {","  $r = round(max(min($r, 100), 0) * 2.55);","  $g = round(max(min($g, 100), 0) * 2.55);","  $b = round(max(min($b, 100), 0) * 2.55);","  $hex = '#';","  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);",
 "  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);","  return $hex;","}"])+"("+b+", "+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
 Blockly.PHP.colour_blend=function(a){var b=Blockly.PHP.valueToCode(a,"COLOUR1",Blockly.PHP.ORDER_COMMA)||"'#000000'",c=Blockly.PHP.valueToCode(a,"COLOUR2",Blockly.PHP.ORDER_COMMA)||"'#000000'";a=Blockly.PHP.valueToCode(a,"RATIO",Blockly.PHP.ORDER_COMMA)||.5;return[Blockly.PHP.provideFunction_("colour_blend",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($c1, $c2, $ratio) {","  $ratio = max(min($ratio, 1), 0);","  $r1 = hexdec(substr($c1, 1, 2));","  $g1 = hexdec(substr($c1, 3, 2));","  $b1 = hexdec(substr($c1, 5, 2));",
diff --git a/python_compressed.js b/python_compressed.js
index e697c40a2..924dd9fb1 100644
--- a/python_compressed.js
+++ b/python_compressed.js
@@ -11,7 +11,7 @@ Blockly.Python.init=function(a){Blockly.Python.PASS=this.INDENT+"pass\n";Blockly
 Blockly.Python.finish=function(a){var b=[],c=[],d;for(d in Blockly.Python.definitions_){var e=Blockly.Python.definitions_[d];e.match(/^(from\s+\S+\s+)?import\s+\S+/)?b.push(e):c.push(e)}delete Blockly.Python.definitions_;delete Blockly.Python.functionNames_;Blockly.Python.variableDB_.reset();return(b.join("\n")+"\n\n"+c.join("\n\n")).replace(/\n\n+/g,"\n\n").replace(/\n*$/,"\n\n\n")+a};Blockly.Python.scrubNakedValue=function(a){return a+"\n"};
 Blockly.Python.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n");var b="'";-1!==a.indexOf("'")&&(-1===a.indexOf('"')?b='"':a=a.replace(/'/g,"\\'"));return b+a+b};
 Blockly.Python.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();(e=Blockly.utils.string.wrap(e,Blockly.Python.COMMENT_WRAP-3))&&(d=a.getProcedureDef?d+('"""'+e+'\n"""\n'):d+Blockly.Python.prefixLines(e+"\n","# "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Python.allNestedComments(e))&&(d+=Blockly.Python.prefixLines(e,"# "))}a=a.nextConnection&&
-a.nextConnection.targetBlock();c=c?"":Blockly.Python.blockToCode(a);return d+b+c};Blockly.Python.getAdjustedInt=function(a,b,c,d){c=c||0;a.workspace.options.oneBasedIndex&&c--;var e=a.workspace.options.oneBasedIndex?"1":"0";a=Blockly.Python.valueToCode(a,b,c?Blockly.Python.ORDER_ADDITIVE:Blockly.Python.ORDER_NONE)||e;Blockly.isNumber(a)?(a=parseInt(a,10)+c,d&&(a=-a)):(a=0<c?"int("+a+" + "+c+")":0>c?"int("+a+" - "+-c+")":"int("+a+")",d&&(a="-"+a));return a};Blockly.Python.colour={};Blockly.Python.colour_picker=function(a){return["'"+a.getFieldValue("COLOUR")+"'",Blockly.Python.ORDER_ATOMIC]};Blockly.Python.colour_random=function(a){Blockly.Python.definitions_.import_random="import random";return["'#%06x' % random.randint(0, 2**24 - 1)",Blockly.Python.ORDER_FUNCTION_CALL]};
+a.nextConnection.targetBlock();c=c?"":Blockly.Python.blockToCode(a);return d+b+c};Blockly.Python.getAdjustedInt=function(a,b,c,d){c=c||0;a.workspace.options.oneBasedIndex&&c--;var e=a.workspace.options.oneBasedIndex?"1":"0";a=Blockly.Python.valueToCode(a,b,c?Blockly.Python.ORDER_ADDITIVE:Blockly.Python.ORDER_NONE)||e;Blockly.isNumber(a)?(a=parseInt(a,10)+c,d&&(a=-a)):(a=0<c?"int("+a+" + "+c+")":0>c?"int("+a+" - "+-c+")":"int("+a+")",d&&(a="-"+a));return a};Blockly.Python.colour={};Blockly.Python.colour_picker=function(a){return[Blockly.Python.quote_(a.getFieldValue("COLOUR")),Blockly.Python.ORDER_ATOMIC]};Blockly.Python.colour_random=function(a){Blockly.Python.definitions_.import_random="import random";return["'#%06x' % random.randint(0, 2**24 - 1)",Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.colour_rgb=function(a){var b=Blockly.Python.provideFunction_("colour_rgb",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b):","  r = round(min(100, max(0, r)) * 2.55)","  g = round(min(100, max(0, g)) * 2.55)","  b = round(min(100, max(0, b)) * 2.55)","  return '#%02x%02x%02x' % (r, g, b)"]),c=Blockly.Python.valueToCode(a,"RED",Blockly.Python.ORDER_NONE)||0,d=Blockly.Python.valueToCode(a,"GREEN",Blockly.Python.ORDER_NONE)||0;a=Blockly.Python.valueToCode(a,"BLUE",Blockly.Python.ORDER_NONE)||
 0;return[b+"("+c+", "+d+", "+a+")",Blockly.Python.ORDER_FUNCTION_CALL]};
 Blockly.Python.colour_blend=function(a){var b=Blockly.Python.provideFunction_("colour_blend",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(colour1, colour2, ratio):","  r1, r2 = int(colour1[1:3], 16), int(colour2[1:3], 16)","  g1, g2 = int(colour1[3:5], 16), int(colour2[3:5], 16)","  b1, b2 = int(colour1[5:7], 16), int(colour2[5:7], 16)","  ratio = min(1, max(0, ratio))","  r = round(r1 * (1 - ratio) + r2 * ratio)","  g = round(g1 * (1 - ratio) + g2 * ratio)","  b = round(b1 * (1 - ratio) + b2 * ratio)",