 - help system could use a table of contents feature.
 - figure out how to work the record_trim script into Jester -- perhaps as an
   action in the record module?
 - look into various core caching strategies to improve performance
 - user settings to add
   - next_after_command (need to figure out which commands this responds to)
 - profile-wide setting to specify a sound file to play when an invalid key is
   pressed
 - simple event consumer script for voicemail profile events, that catches
   them and calls configurable external scripts
