Conform to PEP8
Removes empty lists as defaults of functions. Using mutable defaults can cause very strange behavior in Python.
Some progress towards statcounter but its still kind of not done
rebase nicely
Pep8 fixes
Create dict in python 2.6 compatible way.
Add newline at end of pcontexttests.
Initial groupby support
Cleanup
Add back the missing import of pandas for the dataframes
cleanup a bit more
Add groupby and groupby tests back
Use run-tests
Update text in run-tests if SPARK_HOME is not set
autopep8
More aggressive auto pep8
Clean up groupby a bit more
more autopep8 3as
Fix the pep8 errors
Stop using strings to compare dataframes (yay\!)