Working reading of collectionless STL branches from TChains
Tweaking tests for leaves
Changing how leaves are read in both Array and Value reader.

This is to better support TChains and changing of the trees
Refactoring in tests
All tests now successful most of the time
Code cleanup of unused variables
Possibly fixes the undeterministic behaviour
Change member to non-pointer for automatic garbage collection
Change member to non-pointer to avoid memory leak
Removed unnecessary initializer for TString
Added comment lines for the documentation generation