Fix DeviceType return

[CLau72]

Short description of change

Fixes Issue#216. Device.get_device was originally writing to resp.Device instead of resp.DeviceType

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [x] I have read the docs/CONTRIBUTING.md document.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read tests/README.md.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

What does it fix/add?

Fixes the getDeviceProperties and getModuleProperties methods which were originally returning "None" for device type.