arteria/virtualenv-api — pull request #2 by yannik-ammann (2014-11-19 09:56:27+00:00)
Title: single pip call

install and uninstall only use on pip call when executed with a list of packages + compatibility with newest version of origin

before there was a pip call for every package in the list --> changed to a single call with all packages in it
added changed from last commits to virtualenv-api origin