v0.1.4

Modernized version.

• Replace pyephem with skyfield
  • pyephem is no longer supported
• Pointing history replaced screen-scraping with swifttool database access
  • Appeared as DOS on the scraped website when I ran too often
• General decrufting
  • reformatted with black
  • Code still suffers from being the first Python I ever wrote, on python2.6
  • Some (but not much) type hinting)
• Requirements updated:
  • Python >= 3.9
  • astropy >= 5
  • skyfield >= 1.4

v0.1.2a3

Corrects bug in detid2xy() and related functions.