IDE: Prevent range check error in all compiler options parser.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42399 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: generate comments in all compiler options GUI.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42400 4005530d-fff6-0310-9dd1-cebe43e6787f