Refactored setup.py to support testing for different Python versions.
models.py py3 compatability
utils.py py3 compatability
tests/commands.py py3 compatability
management/commands/cron.py py3 compatability
management/commands/run_job.py py3 compatability
Merge pull request #18 from synotna/py3

models.py py3 compatability
Finished Python3 support.
Updated version.
Fixed unicode rendering bug.
Added duration graph.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore