Fix NPE when Essentials not present.
Version => 1.1.2
Added command tab completion via dhutils 2.3.0
Fixed sortmode permission node
Version => 1.2.0
Better validation of data from config file
Added defaults to config
Middle-click is now the default click mode.
Now using Bukkit 1.5+ API for inventory clicks
Simplifies the code since we get double-click checking for free
Also added middle-click mode to sort inventory
Added cooldown to /clicksort shiftclick message output