Number of blocks created is wrong

[mathiascode]

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Sometimes, the number of blocks changed in an operation isn't correct in the chat. If you run //sphere stone 50 a few times, you should see this message in chat:

0 block(s) have been created.

[NiLSPACE]

Unlike the bukkit/Spigot version of WorldEdit this plugin doesn't check if the new block is actually different than the old one. So I just report the amount of SetBlock's or use a small calculation of the volume.