0.2revA:

-added /expo save
-added /expo reload-data
-added /expo reload-config
-added message for unauthorized blocks
-fixed the multi /expo create per player
-fixed the multi /expo remove per player
-added /expo cancel
-fixed /expo create and removed in same time
-added BlockFace.up verification
-added language choose: fr or en

0.1revB:

-added support for blocks
-added support for special data slabs