* MonoDevelop.Debugger/DebuggingService.cs: * MonoDevelop.Debugger/ObjectValueTreeView.cs: Show the exception   information when double clicking on it in the locals or watch pads.
* MonoDevelop.Debugger/DebuggingService.cs:
* MonoDevelop.Debugger/ObjectValueTreeView.cs: Show the exception
  information when double clicking on it in the locals or watch pads.

* MonoDevelop.Debugger/ExceptionCaughtDialog.cs: Don't crash if there
  is a change event after the dialog is closed.

svn path=/trunk/monodevelop/; revision=157579

Unity-Technologies/debugger-libs,Unity-Technologies/debugger-libs,mono/debugger-libs,joj/debugger-libs,joj/debugger-libs,mono/debugger-libs