Fixes bug in wiki page formatting

This commit deals with the wiki formatting issues seen on [this page](http://www.reddit.com/r/changemyview/wiki/convoces?v=2e302354-2f0c-11e3-8969-12313b0230fe). It incorporates the solution in [issue #16](https://github.com/alexames/DeltaBot/pull/16), which uses HTMLParser.unescape to prevent the issue which can be seen at the top of the page.