Moves HALT_ON_ERROR into config module
Updates changelog (but not other docs) with HALT_ON_ERROR change
Moves AscColorSpaceBase, AscDescBase, AscXMLBase, ColorNodeBase into base module
Reworks imports to be absolute
Fixes absolute config import in base module
Main refactor
Moves exports out of cdl_convert.cdl_convert into __init__
Update setup.py to grab metadata from __init__
Fixes __init__ doc and some style in cdl_convert
Fixes xrange being missing in utils in py3
Moves some global variables into their proper places
Updates config files
Style fixes
Fixes some possible cyclic imports
Removes some extra lines from cdl_convert.decision
More cyclic import fixes
Updates API docs and changelog with refactor
Updates usage docs and sphinx config
Updates installation docs and faq
Merge branch 'feature/breakup' into develop