py2.py3 wheel created with 1.0.0 version

[AdarShaked]

Hi
Seems that 1.0.0 version is not py2 compatible but this flag:

https://github.com/sqlalchemy/dogpile.cache/blob/master/setup.cfg#L45

Cause pip wheel generate py2py3 wheel.
Maybe this is not the problem but pip wheel generation py2.py3 wheel and its wrong :)

[zzzeek]

Ok aloing with #184 this needs to be done for 1.0.1 release

[AdarShaked]

Thanks