Merge branch 'release/1.7.2'
Merge branch 'release/1.8'
Merge branch 'release/1.8.1'
Merge branch 'release/1.8.2'
Fixed an issue that flattened a multi-line custom prompt into a single line, and cleaned up the prompt prefixing behavior
Merge branch 'release/1.8.3'
Merge branch 'release/1.8.4'
Clear VIRTUAL_ENV environment variable. Fixes issue #9.
Virtualenv is no longer in beta ;)
Merge pull request #386 from pombredanne/pypi_qualifiers

Virtualenv is no longer in beta ;)
do not fix_lib64 for PyPy
add log code
windows test fixes
Merge pull request #391 from qwcode/win_fixes

windows test fixes
develop branch is 1.8.4.post1
upgrade to distribute-0.6.34
Merge pull request #392 from qwcode/dist_upgrade_0.6.34

upgrade to distribute-0.6.34
64bit test that works for py25 as well.
Merge pull request #393 from qwcode/64bit

64bit test that works for py25 as well.
update changelog