Make it run under Ruby 1.9.3
Make it run under Ruby 1.9.3

 - use require_relative to load local files
   [This means it probably won't run under 1.9.1 or less any more]
 - Fix syntax errors in the option parsing.

dougmcbride/Pivotal-Tracker-IRC-bot,dougmcbride/Pivotal-Tracker-IRC-bot