making the tasks_available function cheaper
making the tasks_available function cheaper

osmlab/maproulette,mvexel/maproulette,mvexel/maproulette,mvexel/maproulette,mvexel/mr-tnav,osmlab/maproulette,Crashfreak/maproulette,mvexel/mr-tnav,osmlab/maproulette,Crashfreak/maproulette,Crashfreak/maproulette,mvexel/maproulette,osmlab/maproulette,Crashfreak/maproulette