Merge branch 'release/0.3.3' into develop
release notes
release notes
Merge branch 'develop' of github.com:ischium/xtraceback into develop

Conflicts:
	RELEASE.rst
Merge branch 'master' into develop
Merge branch 'master' into develop
compatible with python 2.5, 2.6, and 2.7
bump version for dev
correct diff wrong way around
jython and virtualenv support
move to tox
tidy for pep8
don't worry about using map
move nose --xunit-file specification to tox.ini
sphinx check links
put in pygments as exra
add clonedigger report
test for unsupported options
using inspect.getsourcefile instead of messing around with __file__
yanc link in readme