Made some lua comments match spelling the function they are for.

Also Spell corrected "IsParalised" in core. In British English that would have been IsParalysed". I'm American, so it's "IsParalyzed" now.
Merge pull request #264 from TeoTwawki/misc

Made some lua comments match spelling the function they are for. Also Spell corrected "IsParalised" in core. In British English that would have been IsParalysed". I'm American, so it's "IsParalyzed" now.