Added support for command blocks through /runalias. Without bukkit support, it's not yet possible to directly fire off aliases.
Merge branch 'master' of github.com:sk89q/commandhelper.git
Merge pull request #77 from jb-aero/pullable

improved entity_damage and added inventory_click
Removed proc optimizations, because the methodology is all wrong, and it causes problems in some advanced cases.
Fixed the error message for ambiguous commands. It now displays both locations where the conflicting commands are defined.
Fixed a stacktrace in play_note
Fixed a bunch of NPEs and bug #2271 and bug #2272