Fix for very recent clang
ubuntu 12.04.4 still doesn't have chi2_contingency
check that __file__ is not pyc which cannot be executed
change BOOST_PP_CAT return value to int
Sign extend Exact values when initializing from narrower types
Use more stable method for arc quantization
Merge branch 'master' of github.com:otherlab/geode
Tweak documentation in unquantize_circle_arcs
Merge github.com:otherlab/geode