Debugger: Fixes around watch editing.
assignValueInDebugger: Pass on WatchData as well, pass on values as QVariant. Based on that, do more extensive checks in CDB, preventing assignment of non-PODs. Locals/Watch editing: * Disable while running * Edit pointer values as hex with validation. CDB: Strip class types off reported pointer values and reformat the values as short 0x-pointer values, introduce flag to WatchData::source to do dumper expansion handling. Windows: recognize int64 as int. Register handler: Fix accessing uninitialized value.