RE: 14w02a - New/Updated Commands & "@e" Selector

Via: https://www.youtube.com/watch?v=JQzbUJdKouc

1. New /kill syntax:

/kill <player>

Example, killing all mobs except the player:

/kill @e[type=!Player]

And killing all creepers:

/kill @e[type=Creeper]

2. New /clear syntax:

/clear <player> <item ID> [Damage] [Max Item Count] {dataTags}

Max Item Count:
-1 = No limit
0 = Do not remove the found items, still produces signal
1+ = Does not currently function (14w02b)

For /blockdata commands, see here: http://pastebin.com/y1X22car