Adds pep8 testing and some test_requirements
Fixed flake8 style errors occuring in api/traceroute.py and src/traceroute.py
Merge remote-tracking branch 'upstream/master' into add-style-testing

Conflicts:
	birdseye/src/traceroute.py
Fixed some pep8 style rrors in src/traceroute.py
Merge pull request #20 from zysh/add-style-testing

Adds pep8 testing and some test_requirements #