Merge pull request #9 from cbojar/devel

Don't crap out on sending help just because the Twitter handle is a string rather than an array.
Sometimes, there is no show title.

If there are no upcoming events, and !next is called with no arguments, it would die on a nil error because it was
trying to get a show title. If there is no show, now it will just give a generic message.
Merge pull request #10 from cbojar/BUGFIX-no-upcoming-events

Sometimes, there is no show title.