HDXDSYS-1640 Add ability to write to HDX on exit with facility to disable to HDXErrorManager in HDX Python API#77

mcarans merged 2 commits intomainOCHA-DAP/hdx-python-api:mainfrom

write_err_to_hdxOCHA-DAP/hdx-python-api:write_err_to_hdxCopy head branch name to clipboard