remove test about weak dictionaries
Merge pull request #181 from francoisfonteyn/Make-test

remove test about weak dictionaries
Merge pull request #173 from eregon/mvm

Multicore processors support
Make the parent VM always monitor its child VMs

* So at least the parent get detailed information about the termination.
* This suggests to care more about termination of created VMs.
* Adapt and improve the tests.