SRCMLNET-8 #comment Removed duplicate code from VariableUse.FindMatchingTypes() in preparation for refactoring.
SRCMLNET-11 #start-progress Removed AddDirectory functionality from DirectoryScanningMonitor and SourceMonitor.
SRCMLNET-11 #start-review Fixed DirectoryScanningMonitor.AddDirectory(string) so that it correctly identifies when a duplicate directory is being added. If the directory is a duplicate of an already monitored directory, then AddDirectory does nothing.