PEP 440 Implementation#1

Merged

dstufft merged 17 commits intomasterfrom

Aug 26, 2014

Commits on Jul 3, 2014

Commits on Aug 5, 2014

Relax the syntax of versions to better parse more versions
dstufft
committed

Commits on Aug 6, 2014

Allow the implicit post release syntax (e.g. 1.0-5)
dstufft
committed

Commits on Aug 9, 2014

Make the invoke tasks run on Python 2.x as well as Python 3.x
dstufft
committed