Fixed crasher in ZChunks resetting code
Fixed crasher in ZChunks resetting code

lyoshenka/PyPagekite,pagekite/PyPagekite,output/PyPagekite,output/PyPagekite,lyoshenka/PyPagekite,pagekite/PyPagekite,output/PyPagekite,lyoshenka/PyPagekite,pagekite/PyPagekite