PythonQt Code

integrated changes from https://github.com/commontk/PythonQt#patched-2
renamed errorOccurred() to hadError()
renamed resetErrorFlag() to clearError()
added optional system exit handler
added iatty method

merged contributions from https://github.com/commontk/PythonQt/compare/svn-mirror...patched
changed polymorphichandler char** to const char**