sanic 0.2.0

Multi-worker Fix, Virtual Hosts support, etc.

on Python PyPI

This pull request encompasses a lot of bug fixes among other things.

To see the exhaustive list visit: https://github.com/channelcat/sanic/milestone/2?closed=1

Highlights:

• Multiprocessing fix #276 (Thank you to @r0fls)
• Updates to class based views to make them thread safe #274 (Thank you to @AntonDnepr)
• Adding support for virtual hosts through the main application and blueprints #285, #287
• Added methods to remove routes from api/router #243 (Thanks to @dutradda)

Next up on the table:

• Finishing up WSGI compliance (Maybe looking into ASGI compliance as well)
• Working to finish up live reload as highlighted in #168 (We have a prototype but it's not as efficient as I'd like it to be)
• Moving our documentation to Sphinx and publishing to readthedocs as highlighted in #229