Mdreg

* v0.4.4 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/69


**Full Changelog**: https://github.com/QIB-Sheffield/mdreg/compare/v0.4.3...v0.4.4

What's Changed
* Harmonized and simplified coreg interfaces by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/64
* v0.4.3 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/65
* v0.4.3 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/66


**Full Changelog**: https://github.com/QIB-Sheffield/mdreg/compare/v0.4.2...v0.4.3

* v0.4.2 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/63


**Full Changelog**: https://github.com/QIB-Sheffield/mdreg/compare/v0.4.1...v0.4.2

Summary
- Extended documentation including function-level docstrings
- New examples
- 3D and multi-slice 2D
- utilities: jacobian and norm of deformation field
- improved error handling for elastix coregistration
- correct handling of Nan and non-contiguous arrays in elastix
- proper handling of floating point images in skimage registration

What's Changed
* 3D compatibility update and tutorials by EShalom in https://github.com/QIB-Sheffield/mdreg/pull/53
* Updates docs and main fit defaults by EShalom in https://github.com/QIB-Sheffield/mdreg/pull/55
* Deformation Field QA Functions by alexdaniel654 in https://github.com/QIB-Sheffield/mdreg/pull/54
* Small docs update by EShalom in https://github.com/QIB-Sheffield/mdreg/pull/56
* bug fix + force_2d option by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/57
* v0.4.1 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/58
* update docs by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/59
* v0.4.1 by plaresmedima in https://github.com/QIB-Sheffield/mdreg/pull/60

New Contributors
* alexdaniel654 made their first contribution in https://github.com/QIB-Sheffield/mdreg/pull/54

**Full Changelog**: https://github.com/QIB-Sheffield/mdreg/compare/v0.4.0...v0.4.1

===========
We're happy to announce the release of mdreg 0.4.0!

Summary
----------

Major new release with breaking changes in the API. As of v0.4.0 mdreg has moved over to a simpler functional programming interface with significant customization options. Older versions are deprecated and should no longer be used.

For full details, please see the new documentation pages: https://qib-sheffield.github.io/mdreg/

Stable version used in ongoing projects.

Future changes in v0.4 will not be backwards compatible