Xnat4tests

What's Changed
* Lazy loading of medimages4tests imports by tclose in https://github.com/Australian-Imaging-Service/xnat4tests/pull/18


**Full Changelog**: https://github.com/Australian-Imaging-Service/xnat4tests/compare/v0.3.11...v0.3.12

Unpinned XnatPy version so it can use latest

What's Changed
* Àdd extra exception to catch to deal with a change in XNATpy which al… by hachterberg in https://github.com/Australian-Imaging-Service/xnat4tests/pull/16

New Contributors
* hachterberg made their first contribution in https://github.com/Australian-Imaging-Service/xnat4tests/pull/16

**Full Changelog**: https://github.com/Australian-Imaging-Service/xnat4tests/compare/v0.3.9...v0.3.10

What's Changed
* Simple dir data by tclose in https://github.com/Australian-Imaging-Service/xnat4tests/pull/15


**Full Changelog**: https://github.com/Australian-Imaging-Service/xnat4tests/compare/v0.3.8...v0.3.9

What's Changed
* add simple-dir-data by tclose in https://github.com/Australian-Imaging-Service/xnat4tests/pull/14


**Full Changelog**: https://github.com/Australian-Imaging-Service/xnat4tests/compare/v0.3.7...v0.3.8

What's Changed
* Adds openneuro data download option by tclose in https://github.com/Australian-Imaging-Service/xnat4tests/pull/13


**Full Changelog**: https://github.com/Australian-Imaging-Service/xnat4tests/compare/v0.3.6...v0.3.7