Added destroy method for RootedPersistence model.
attr accessor functions in migrations do not add or remove the functions of classes
totally seperated attributes from methods. classes now have a method attributes that returns the attributes referenced by attr_accessor, ...
attribute moving tested successfully
tests for snapshotting methods run - removed side effect uf sensibles test
Merge branch 'develop' into niccokunzmann/migration
moved base lectures to another to prevent snapshots from loading test environment
now every snapshot tests existence on file system
existence test removes all methods and adds them afterwards
removed class existence definitions because they are not of use any more
side effects on lecture methods removed from abort in tests
split temp dir test from project test
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