==================
New features
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- New pair counter `DD(s, mu)` for theory and mocks (contributed by nickhand,
in 130 and 132) [166]
Enhancements
------------
- GSL version now specified and tested by Travis [164]
- Now possible to specify the number of Newton-Raphson steps to
improve accuracy of approximate reciprocals. Available in `DD(rp, pi)` for mocks,
and `DD(s, mu)` for both theory and mocks