[TG-1888] Correct some classes visibility levels#1671

Merged

thk123 merged 2 commits intodiffblue:developfrom

thk123:bugfix/TG-1278/correct-access-level

Dec 20, 2017

Commits on Dec 18, 2017

String classes should be public
thk123
committed
Tidied up the generic specalised class copying the base class visibility
thk123
committed