remove deprecated WOF tests
also patch head requests for offline testing
make usgs.pytables docstring more informative
for each dataset module, pull major functions from core into module namespace
Merge branch 'master' of git://github.com/timcera/ulmo
run Travis CI tests python 2.6 as well
rm numexpr from setup.py requirements
add recent changes to changelog
fix travis-ci link in readme
minor edits to README
make API TOC only 1 level deep
add release dates to changelog
0.2.4 release
bump version to 0.3.0-dev
move what is currently the usgs module to usgs.nwis; closes #27
add maxdepth to toctree to prevent error when building docs
move ulmo.wof -> ulmo.cuahsi.wof
to follow the convention other datasets and to make room for other cuahsi
datasets/services (e.g. HIS central)
add recent changes to changelog
fix cuahsi namespace
add mock to dependencies; it's useful for mocking tables module when pytables can't be found