Added comments to interfaces. Created CoreLibraryTests. Added LINQ to compute directory size. Added CancellationToken for ExecutionVisitor.
ExecutionVisitor is now more verbose and catches all Exceptions from processors.
Sync Merge Processor. FillMissingPaths (dead end).
TreeNodes can now return Absolute Path. Sync Merge finished.
Merge branch 'feature/CoreLibraryTests' into develop