Added support for GCC 4.x map files, fixing Bug 3122
Also added a few more debug statements, guarded by if $debug.
EXPORTS
?DebuggerInfo@Debugger@@SAPAVDDebuggerInfo@@XZ @ 1 NONAME ; public: static class DDebuggerInfo * __cdecl Debugger::DebuggerInfo(void)
?Install@Debugger@@SAHPAVDDebuggerInfo@@@Z @ 2 NONAME ; public: static int __cdecl Debugger::Install(class DDebuggerInfo *)