Recreated solution/projects and tidied up. Now working on Artefacts.FileSystem
Revert "Recreated solution/projects and tidied up. Now working on Artefacts.FileSystem"

This reverts commit 91b2b6bcab990325831a8a3f659fc05c29a4c914.
Recreated solution/projects and tidied up. Now working on Artefacts.FileSystem
Recreated solution/projects and tidied up. Now working on Artefacts.FileSystem
Added two spreadsheets to a "Design" folder in ArtefactFileSystem for analysing use cases
FileSystemEntry instances determine Drive member but Drive isntances still get no Disk instance
FileSystemCreator working better, Host artefact working
Included workspace, solution and project files in index again
Now running service host separately in a terminal window
Modifying client/server logging/console output approaches
Improved ClientSideQueryVisitor
Added timestamps to MultiTextWriter
Slightly started modifying Artefact.cs, now commiting before branching to experiment again
~90% of implementation of my own Expression string formatter, based on ExpressionVisitor
Expression string formatter 95 or 99% working
Tidied up expression string representation (ToStringVisitor)
Reimplemented disks in creator - Need to work out NH autosaving for Disk/Host, probably others
Switching to new dev. env. on new UB-D64 install