* fix: move core test helpers into new directory
* fix: add test helpers to core and convert to goog modules
* fix: change tests to use local helpers
* fix: change local tests to use chai asserts
* fix: skip field tests in serializer b/c test blocks are unavailable
* fix: rename some helper files
* fix: rename some helper modules
* fix: split block helpers into code gen and serialization
* fix: split block defs into new helper file
* fix: split warning helpers into new file
* fix: split user input helpers into new file
* fix: split event helpers into a new file
* fix: split variable helper into new file
* fix: move remaining test helpers to new setup-teardown file
* fix: rename setup and teardown module
* fix: cleanup from rebase
* fix: undo accidental rename
* fix: lint?
* fix: bad toolbox definitions namespace
* fix: fixup warning helpers
* fix: remove inclusion of dev-tools in mocha tests
* move to modules, but break mocha
* fix: run mocha as a module
* fix: lint
* fix: dragging variables from flyout
* fix: rename positionBlock_ to positionNewBlock_
* fix: type
* fix: try alternative method for handling variables in flyout
* fix: remove duplicate serialization hook implementations
* feat: add backwards compatibility to field serialization
* feat: add support for serializing old mutator hooks
* fix: build
* fix: refactor field changes into helpers
* fix: typo
* fix: removing xmlns
* tests: add tests for serialization and deserialization of mutator hooks
* fix: switch to early returns
* fix: remove some attributes from the JSO system
Remove the deletable, movable, and editable attributes.
Normally this would be a breaking change, but because this isn't
released yet it's just a patch.
* fixup: serializer tests
* Move existing tests into new suite
* Add tests for setShadowState
* Add assertions for serialization
* Unskip serialization tests
* Add logic to handle shadows in both systems
* Uncomment tests
* fix: add access modifiers to new comment funcs
* fix: fixup types
* fix: remove addNextBlocks = true
* feat: add real child of shadow errors
* fix: types
* Add tests for serializing connected blocks
* Add serialization of child blocks
* Add tests for not serializing children
* Add options for not serializing children
* Fix types
* Change addNextBlocks to default to true
* Cleanup
* Fix types
* Add tests for saving extra state
* Add serializing extra state
* Fix backwards compatibility
* Switch to other function declarations
* Handle null returns from hooks
* Remove backwards compatibility
* Remove XML require, and fix type
* Fix JSDoc formatting
* Add basic attribute tests
* Add basic block serialization
* Add more attribute tests
* Change save to use options dictionary
* Add obeying save options
* Add test for data attribute
* Add saving data tag
* Move to ES6 syntax
* Fixup move to es6 syntax
* Declare module
* Format and lint
* Add docs
* Add returning null on insertion markers
* Fixup for move to module
* Switch to other function declarations
* Cleanup for finalized style
* Fix lint and types
* Export State def
* Switch disabled=true to enabled=false
