Update status.py

Added number of jobs, schedules, and users, and the next time a schedule will run.
Update status.py
Update status.py
Update status.py
Update status.py
Update status.py
Fixed scope issue on cron_strings dictionary.
Added get_jobs_for_user(uid) unit tests.
Now checking fields and lengths of job arrays at the end of the test instead of on the fly. Various improvements.
Added first worker unit tests and check_worker_fields function for infrastructure.
Added more unit  tests and refactored comments to comply with PEP 8 standards.
Further PEP 8 improvements.
Added destroy workers unit tests and modified setup.py and readme to allow for use of ./setup.py test command.
Added destroy random worker test case.
Added update heartbeat unit tests.
Refactoring; extracted heartbeat value checking method, renamed test support functions script to more accurately describe its purpose.
Schedules begun.
Merge branch 'master' into rough
Added init to test module and added function to test support functions.
Added add schedules unit tests.