aiohttp Class Based Views login_required not working

[citijk]

`class Auth(web.View):

@login_required
async def get(self):
    return web.json_response({stat='ok'})`

err:
aiohttp_jwt/permissions.py", line 23, in wrapped assert isinstance(request, web.Request) AssertionError

[citijk]

there is a solution. If we rewrite this:
`
@login_required
class Auth(web.View):

async def get(self):
    return web.json_response({stat='ok'})

`
It works.

[hzlmn]

Hi, yep. It is current limitation. Gonna add support for it in a few days.

[hzlmn]

Done in #53. v0.2 will be released in few hours.