better logging in SNode
removed SModel.isInRepository
PairMap.values implemented
module.isInRepository removed
remove illegal assertion from SNode
add assertion for "child removed from it's parent", not a silent check as before
fix model access during plugin tests
SNode - place correct assertions
nodes can be changed in update mode outside of read action
fix exception in NodesVFS
no assertion in SNodeReference.toString
correct module attach/detach calls
read/change assertions implemented in SModelBase
attach/detach events
attach/detach events in module (not precise!)
disable command checking for model and module
do not add to same repo twice
disabled assertions for model and module
fix disposed node error in tests
fix exception on module detach
fix exception in SNodePointer