bindatcommands are now case-insenstivie (just like normal @commands)

As proposed by kyeme in http://hercules.ws/board/topic/2101-bind-commands/

Signed-off-by: shennetsind <ind@henn.et>
Fixed script docs to reflect actual arrays size

Thanks to KeyWorld.

Signed-off-by: shennetsind <ind@henn.et>
Merge branch 'master' of https://github.com/HerculesWS/Hercules