Added zip_safe flag to setup.py to ease debugging
Added zip_safe flag to setup.py to ease debugging

mariusvniekerk/impyla,laserson/impyla,cloudera/impyla,mariusvniekerk/impyla,wesm/impyla,laserson/impyla,mariusvniekerk/impyla,wesm/impyla,schaffino/impyla,bhtucker/impyla,schaffino/impyla,cloudera/impyla,bhtucker/impyla,bhtucker/impyla