Support Class Based Views

[FuGangqiang]

class MyView(web.View):
    async def get(self):
        return await get_resp(self.request)

    async def post(self):
        return await post_resp(self.request)

app.router.add_route('*', '/path/to', MyView)

[olexandr-klymenko]

I've also noticed some issues with class based views:

1. setup_swagger doesn't understand wildcard '*' for method fileld (GET/POST/.. only)
2. I can't figure out how to distinguish methods within given class view

[PidgeyBE]

@olexandr-klymenko I had the same issue. For me the issue was resolved by installing aiohttp-swagger via git instead of pip! The latest pip version does not contain this fix!!

[drgarcia1986]

Any chance to upload a new version to pypi?