Documentation and readme updated.

doc/Commands.md

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+* __/gate close, c [id]__
+Closes a gate to prevent players from using it.
+
+* __/gate delete, del, remove [id]__
+Removes the gate from the game.
+
+* __/gate exit, e [id]__
+Changes the location where the gate will teleport players to your current location.
+
+* __/gate help, ? [page]__ 
+Prints help pages.
+
+* __/gate hide, h [id]__
+Makes a gate NOT consist of gate blocks while open.
+
+* __/gate info, i [id]__
+Prints details about a certain gate.
+
+* __/gate list, ls [page]__
+Prints all available gates.
+
+* __/gate location, lo [id]__
+Sets the entrance of the gate to your current location.
+
+* __/gate new, n [id]__
+Creates a gate at your current location.
+
+* __/gate open, o [id]__
+ Open a gate so players can use it.
+
+* __/gate rename, rn [current name] [new name]__
+Changes the name/id of the gate.
+
+* __/gate unhide,uh [id]__
+ Makes that gate visible.