FPGDBMIDebugger: starting a parser for pascal expressions / moved to package fpdebug

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43207 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: var initial value of local vars

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43208 4005530d-fff6-0310-9dd1-cebe43e6787f