Link added to CATCH to easily find unit testing doc
Added unit tests for Args maps
Doc edits
Fixed unit testing bug, and doc edits
Updated Doxyfile
Minor cleanup of design doc
In comments: args -> Args map
Minor labelling edit in unit test
Revised an exception message in ScoreObject constructor
Added unit tests for plain ScoreObject instances (info arg etc)
Undated Xcode project settings
Removed from comment code snippets that have been included in unit tests now
Undated Xcode project settings