Reimplement macro command

[TheMeinerLP]

Inside of the

FastAsyncWorldEdit/worldedit-core/src/main/java/com/sk89q/worldedit/command/UtilityCommands.java

Line 119 in 0a19f64

public class UtilityCommands {

is the macro command comment out with a simple error message. This command need to be reimplemented.
I checked the history, it have never be implemented. Was just a idea