Add AsyncIO support

Support for asynchronous methods introduced in PEP 0492 and Python 3.5 allow relatively simple asynchronous querying, especially for things like HTTP requests with aiohttp. It would be very useful to be able to use PRAW natively with coroutines.

Here is an example of using aiohttp to query the Reddit API asynchronously.

[klvbdmh]

It is relevant if you want to use PRAW with other modules relying on asyncio, like discord.py

[Dan6erbond]

Seeing this comment chain a little later than I had hoped to find it. @bboe I took a look at your example and comparing it to what I have implemented in my framework it doesn’t seem too far off, yet after letting my bot run for a couple of hours (days, maybe) it will crash due to PRAW blocking the event loop, I think. The error specifically would be:

I do have my bot on GitHub so maybe you could give it a quick look? The repository can be found here. It really does seem like I’ll need to give asyncio a shot if using PRAW doesn’t work.