PEP8, refactoring, changed staticmethods to classmethods
Fixed IDE introspection by changing 'List' to 'list' in docstrings
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	py2d/Math/Operations.py
	py2d/Math/Polygon.py
	py2d/Math/Vector.py
Fixed IDE introspection by changing 'List' to 'list' in docstrings