Merge branch 'release/0.4.4' into develop
Fix `to_dict` not converting enums to strings

Fixes #28
Bump version for v0.4.5. Add changes to changelog
Merge branch 'release/0.4.5' into develop
Fix `test_to_dict_enum` under Python3
Remove generated files during cleanup phase.
Merge pull request #30 from kdienes/develop

Remove generated files during cleanup phase.
Fix `to_dict` not converting enums to strings

Fixes #28
Bump version for v0.4.5. Add changes to changelog
Fix build for Cython 0.21
Bump version for v0.4.5. Add changes to changelog
Merge branch 'release/0.4.6'

Conflicts:
	CHANGELOG.md
	setup.py
	test/test_struct.py