Merge branch 'develop' of https://github.com/NickyWeber/SpriteBuilder into develop
Refactoring for the bugfix #649 branch.
Split a multi class and protocol file into separate files.
Constant added for the intermediate lookup filenames, put into MiscConstants.
Merge pull request #667 from NickyWeber/refactor/cleanup_#649_psd_filelookup_issue

Refactor/cleanup #649 psd filelookup issue