Update build system (#79)

Release for 1.3.0

Fix post version

Fix a doc reference

Fixes an issue with documentation headers by forcing a theme update (#29

)

* Try docs fix

* Increment version

* Fix version

Update torchkbnufft to 1.2 for PyTorch 1.8 (#27)

* Draft of 1.8 updates

* Change to use tensor_split

* Update torch version

* Increment other packages

* Fixes for mypy

* Simplify some booleans

* Comment out thread management due to perf regression

* Remove commented out code

Batched nufft (#24)

* First batched nufft implementation

* Performance improvements

* Fixes for toep

* Type fix

* Bug fix, doc updates

* Fix dcomp it num

* Update batch docs

* Add new docs

* Change the performance tips name

* Try to change list

* Increment version

* Fix perf tips

* Code quality, remove test script

* Update performance doc

* Update doc

* Update docs

Patch forward autograd (#23)

* Patch forward autograd

* Increment version

Patch refactor (#16)

Increment version for PyTorch 1.7 (#12)