updated error message of clone fails
fixed uninitialised memory issues
fixed uninitialised memory bugs
fixed null-pointer exception
fixed some uninitialised memory related bugs
added init method to fix uninitialsed memory bugs
fixed uninitialised memory bugs
more uninitialised memory fixed
fixed some ultra subtle bugs that broke clone/equals
more subtle bugs found by clone/equals
more fixed on uninitialised memory
Merge pull request #1260 from karlnapf/develop

Unit tests do not segfault anymore now