Hey Kreed95,
You have to download the 7.0.1 Snapshot of the worldedit mod.
When you put the new snapshot in it and put the old one out it it should work.
Link: http://builds.enginehub.org/job/worldedit/12005/download/worldedit-bukkit-7.0.1-SNAPSHOT-dist.jar
Greetings,
Teun