+ Changed default ticks to negative (extent out of plot rather an into plot).
+ Fixed tickLength setter - was setting unused self._tickWitch value
+ Added tickLengthPrinterScale property
+ axis values and labels should no longer overlap if tick lengths are negative.
+ added deprecation note to docstring of PolyPoint.setLogScale
+ Replaced PendingDeprecation decorator with function.
+ This fixes the documentation having `wrapper(*args, **kwargs)`
+ Fixed some minor errors due to package conversion
+ Updated sphinx x-refs to reflect new package structure.
+ Moved DisplaySide, scale_and_shift_point, and set_displayside to utils.py
+ renamed _DisplaySide to DisplaySide
+ renamed _set_displayside to set_displayside
+ updated imports to reflect package rename
+ changed format of imports in __init__.py to be more PEP8-like.
+ updated numpy import exception
+ whitespace cleanups.
