Fix REST debug logging with custom JsonEncoder
Fix JsonDict getattr behavior
Adding Helper for polling a method.
Fix issue setting last_time in do_poll
move polling.py from pq_runtime to steelscript/common
refactor steelscript.common.utils modules to be more cohesive
fix pep8 issues
PEP8 cleanup
Fix unneeded test import and extra space
Minor connection refactor, fix download header bug