frob sphinx conf to ignore missing extension
support unittest2 for Python < 2.7
add patch for sphinx
add python 2.6 support
fix lingering refs to 2.7
bump to 0.4.5
update docs
use .gitignore
bump changelog
minor fix
tweak gitignore
tweak MANIFEST.in
fix a few more small docs
fix a few more small docs
merge a bunch of stuff, break all the things