Merge pull request #82 from EntityReborn/master

Added Driver.EXTENSION for extension based events.
Fixed a division by zero exception.
Merge branch 'master' of github.com:sk89q/commandhelper.git
entities_in_radius, sk_region_setpriority, sk_region_setparent, sk_region_intersect
Normalize line endings
added all_entities, [set_]entity_loc, and [set_]entity_velocity, has_storm, has_thunder, and set_thunder
Merge pull request #81 from jb-aero/pullable

entity and weather updates
Made pgive_item use bukkits method.
Made pgive_item allow Meta data.
Merge branch 'master' of github.com:sk89q/commandhelper.git
Merge branch 'master' of github.com:sk89q/commandhelper.git
Fixed a bug in player_commands prefilter "command"
let all_entities take a location array
Merge pull request #87 from jb-aero/pullable

let all_entities take a location array
Merge pull request #86 from EntityReborn/master

Added inv stuffs to support an extension.
added creature_spawn event, added a prefilter to PIE, fixed an NPE with target_player, and fixed some failing tests
Merge pull request #88 from jb-aero/master

Added creature_spawn event, added a prefilter to PIE, fixed an NPE with...
Made AssertPlayerNonNull after the player has been set.
Made AssertPlayerNonNull after the player has been set.
Merge pull request #85 from ACzChef/master

Refined pgive_item
Merge branch 'master' of https://github.com/sk89q/commandhelper.git