Update utilities stylesheet file.
Update documentation / help files.
Update "CHANGES.rst" file.
Update "Pypi" setup file.
Change copyrights dates.
Rename "manager.globals.constants.Constants.encodingFormat" class attribute to "encodingCodec".
Implement strong unicode support.
Update various docstrings.
Merge branch 'feature/unicode' into develop
Raise package release version number to "2.0.4".
Update documentation / help files and various utilities.
Update "CHANGES.rst" file.
Update documentation / help files.
Update requirements in "Pypi" setup file.
Update "Pypi" setup file.
Merge branch 'feature/v2.0.4' into develop
Merge branch 'release/v2.0.4'