made with_exceptions=True default (don't look before you leak ;)) and removed the...

made with_exceptions=True default (don't look before you leak ;)) and removed the combined output of stderr and stdout.
Also renamed with_status to extended_output.
The method_missing function needs to be modified, as it does a kwargs.pop(xxx, None); which resulted in with_excpetions=None -> False all the time...
Test should follow tomorrow.