started writing a test for snapshotting from file system
started adding tests for snapshots from file system
added [] for chage
made tests run for snapshotting from the file system
made new tests for superclass mismatch
added more tests for superclass mismatch
added tests for reset of snapshotable classes
made superclass mismatch tests run
made from file system test run
made some tests run for snapshotting from file system
made tests for superclass mismatch run