Fixes

Eerie Impulse http://pokemon-online.eu/forums/showthread.php?22916-Eerie-Impluse-Bug
Destiny Knot http://pokemon-online.eu/forums/showthread.php?22917-Destiny-Knot-amp-Assault-Vest
Also fixes http://pokemon-online.eu/forums/showthread.php?19971-Mental-Herb-out-of-nowhere which was never actually fixed :x