restructured IRC engine (this does not work yet)

cloudbot.py

@@ -4,16 +4,25 @@ from core import bot as _bot
 
 import os
 import sys
+import signal
 
 # set up enviroment
 os.chdir(sys.path[0] or '.')  # do stuff relative to the install directory
 
 print 'CloudBot REFRESH <http://git.io/cloudbotirc>'
 
+def exit_gracefully(signum, frame):
+    bot.stop()
+
+# store the original SIGINT handler
+original_sigint = signal.getsignal(signal.SIGINT)
+signal.signal(signal.SIGINT, exit_gracefully)
+
 # create new bot object
 bot = _bot.Bot("cloudbot")
-bot.logger.debug("Bot initalized.")
+bot.logger.debug("Bot initalized, starting main loop.")
 
-bot.logger.debug("Starting main loop.")
-while True:
+while bot.running:
     bot.loop()
+
+bot.logger.debug("Stopped main loop.")