Support for python3.5 typing module

[emacsway]

Looks like we need support all types of python standard library typing.

• https://docs.python.org/3/library/typing.html
• https://pypi.python.org/pypi/backports.typing
• https://pypi.org/project/typing/
• https://pypi.python.org/pypi/typing (supports for Python2.7)
• https://hg.python.org/cpython/file/3.5/Lib/typing.py

[emacsway]

@soupytwist , assign to me, please

[emacsway]

@soupytwist , I think, we have to add support of metaclass... I don't see another way...

[emacsway]

Here's how this problem is resolved in jedi: https://github.com/davidhalter/jedi/blob/be2a97cd36ce1b7d6f587ef122efc3433b1e8ae2/jedi/evaluate/jedi_typing.py