minor changes (corredt method name )
implementing eIsSet() method
Remove TODO comments
Added space
Iterate the changelog using iterator
Add Adapter to listen for changes
Implement the ChangeLog as a CopyOnWriteArrayList as a workaround
This implementation should be debugged and fixed in the future
Check factory is not null (restoring previous check)
Check ClassCastExceptions for bug in EMF when checking eIsSet in classes
with multiple containers
Added TODO comments
Removed println
Remove Soft/Weak references