LazDebuggerFp (pure): Handle working-directory and environment of debuggee

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44936 4005530d-fff6-0310-9dd1-cebe43e6787f
FpDebug: partial implementation of "repeat count"

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44937 4005530d-fff6-0310-9dd1-cebe43e6787f