Release v0.0.9

  • feat: add approximate TDB time (#144)

  • fix: verify Bulletin-A entries are not already in merged file (#158)

  • fix: use numpy interp for 2015 convention mean pole values (#161)

  • feat: add Besselian year calculation (#162)

  • test: compare Besselian years against table 1 from Lieske (1979) (#162)