UserRenderers - bugfix
RPlotter - bugfix for RRuntimeError
UserRenderers - bugfix
RPlotter - set column data types for ggplotting
Dispatcher - starting working with group levels
groupby - re-implement old behaviour
added build info for travis
updated build info for travis
updated build info for travis
updated build info for travis
travis: added ggplot dependency
travis: added ggplot dependency
documentation - fixed URLs
travis: added patsy and statmodels to requires.txt
travis: changed order of dependencies - statmodels requires scipy
travis: changed order of dependencies - statsmodels requires patsy
travis: bugfix in setup-Python.sh
Status reports - bugfix for grouping behaviour
travis: testing different requirements
travis: testing different requirements