updated get_working_directory
updated get_working_directory

UManPychron/pychron,UManPychron/pychron,NMGRL/pychron,UManPychron/pychron,NMGRL/pychron,USGSDenverPychron/pychron,USGSDenverPychron/pychron,USGSDenverPychron/pychron,UManPychron/pychron,USGSDenverPychron/pychron,NMGRL/pychron,NMGRL/pychron