Changes
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* Drop `AdjMapBQM` and `AdjArrayBQM` 788
New Features
------------
* `gnm_random_bqm` generator 808
* Allow sample methods decorated by nonblocking_sample_method to
return sample sets that can indicate their doneness. This allows
ScaleComposite to be properly non-blocking even when there is
a vartype change 805
* `DiscreteQuadraticModel.degree()` method
Improvements
------------
* `DiscreteQuadraticModel.adj` is no longer constructed each time on the fly 807
* Cython implementation of the `Variables` object https://github.com/dwavesystems/dimod/pull/812
Fixes
-----
* Windows wheels now correctly include `.pxd` files.