Katpoint

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* Fix NumPy 2.0 bug in flux model description string (83)
* Clarify status and point to katpoint 1 (79)

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* Fix deprecated NumPy type aliases and configparser attributes (81)
* Flake8 cleanup (82)

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* Handle out-of-range projection inputs (67, 68)
* Fix the sign of the NIAO term in the delay model (75)
* Allow fixed parameters during pointing model fitting (73)
* Handle katpoint v1 description strings in v0 (76)
* Improve Timestamp arithmetic and comparison operators (57)
* Update pointing and other documentation (59, 65, 70)
* Minor improvements to requirements, testing (62 - 64, 69, 71, 72, 74)
* Mark Python 2 support as deprecated (61)

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* Add Antenna.array_reference_antenna utility function (51)
* Vectorise Target.uvw (49)
* Improve precision of flux model description string (52)
* Produce documentation on readthedocs.org (48)
* Add script that converts PSRCAT database into Catalogue (16)

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* Improve UVW coordinates by using local and not global North (46)
* Allow different target with same name in Catalogue (44)
* Add support for polarisation in flux density models (38)
* Fix tab completion in Catalogue (39)
* More Python 3 and flake8 cleanup (43)
* The GitHub repository is now public as well

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* Support Python 3 (36)
* Improve DelayCorrection, adding description string and offset (37)