Sevenbridges-python

- Improvements:
- Added multi-cloud support
- Added root_folder parameter to project model

- Improvements:
- Added execution_settings parameter to Project.create_task

- Bugfixes:
- Fixed issue with using a configuration file on python 3.7
- Fixed issue with error message string representation

- Improvements:
- Added support for async file operations

- Improvements:
- [Issue 112](https://github.com/sbg/sevenbridges-python/issues/112)
- Limit the url length for all requests with a 414 URI too long error
- [Issue 110](https://github.com/sbg/sevenbridges-python/issues/110)
- Added a simple wait method to tasks
- Bugfixes:
- [Issue 111](https://github.com/sbg/sevenbridges-python/issues/111)
- Added a check to make sure only one of project, parent or dataset are provided when querying files

- Bugfixes:
- Added handling for JSONDecodeError in sevenbridges-python's error decorator
- Remove the possibility of an unnecessary lazy fetch when creating tasks by removing the name parameter from inputs