Use a real user agent

The reddit admins use this to contact you if your bot goes apeshit, so
put something useful here.
Simplify
comment out unused lines

That's not how get_submissions works
Add some plumbing, rename som estuff for clarity
Fix sending messages

Looks like the documentation for send_message isn't accurate or
something, it barfs when you try to specify a subject, message and body.
No need to keep a reference to the bot's account around, it's in r.user
Rename parameter for clarity
Fix typo
Merge pull request #1 from AGSPhoenix/master

Add a bunch of stuff (merge from AGSPhoenix)