Update documentation for python pip
Fix pip 1.5/1.4.1 handling
Drop stderr in pip --version
Merge pull request #56 from vholer/master

Drop stderr in pip --version
Fix syntax error with brace prioritization
Merge branch 'master' of https://github.com/stankevich/puppet-python
Merge pull request #57 from jalli/master

Fix pip wheel handling when wheels are supported but --no-use-wheel flag is not
Version 1.6.3