upstream/1.4.4

thibaut.paumard@obspm.fr

c93a8f26 · Releasing 1.4.4 · Feb 28, 2020

1.4.4 2020/02/28 BUG
   * Officially drop Python 2.7 support
   * Astrobj::ThickDisk:
      + Expose in Python
      + Minor bugfixes
      + Provide example
   * Python: fix reference counting issues
   * Various minor bug fixes