Added yet more consistency

Made the plugin more consistent with itself and with Bukkit. Made some edits we discussed on Skype(adding/removing negatives) and also made the plugin follow the ideals that Bukkit has set in place with parameter orders (/give [player] <amount>)
By the way, could you specifically merge the fork and the original instead of adding the features yourself, if possible?
That way, Github gives me some credit for it. :smiley: