ANA-478: data takes full_upload as an argument
ANA-478: merge bug fix get_columns() -> _columns
ANA-478: testing INCREMENTAL and FULL flags
ANA-478: adding incremental mode to date and time class
Merge pull request #8 from Work4Labs/tmichelet/ANA-478/gooddata_python_partial_upload

Tmichelet/ana 478/gooddata python partial upload