Version 2.1.8

2.1.8 - 2016-04-01

• #21: Converted README.md to an rST document to remove dependency on
  setuptools-markdown (@sjkingo)

Version 2.1.7

2.1.7 - 2015-08-10

• Added upgrade_all() function to upgrade all packages in an environment (@sjkingo)
• Added readonly argument to constructing environment that can be used to prevent
  operations that could potentially modify the environment (@sjkingo)
• Added support for passing ~ to construct environment (e.g. ~user/venv) (@sjkingo)

Version 2.1.4

2.1.4 - 2015-06-04

• Support for creating a wheel of packages (@rmb938)

Version 2.1.3

2.1.3 - 2015-03-28

• Support changing the interpreter path (@jlafon)
• Improve Unicode support in pip search that broke tests (@jlafon)

Version 2.1.2

2.1.2 - 2014-11-25

• Added test builds through Travis CI (@sjkingo)
• Fixed default options bug introduced in 2.0.1 (@ColMcp, @sposs)
• Updated example.py (@sjkingo)
• Fix typo in logging (@yannik-ammann)

Version 2.1.1

2.1.1 - 2014-11-19

• Fix typo that broke from 2.1.0 release (@sjkingo)

Version 2.1.0

2.1.0 - 2014-11-19

• Python 3 support (@r1s)
• Unit tests for base functionality (@r1s)
• Better Unicode handling (@r1s)
• Tuple support for specifying package versions (@philippeowagner)

Version 2.0.1

• Support passing command line options directly to pip (@sposs)
• Misc. PEP8 fixes (@sposs)