tagging 2.4.1

tagging v2.4.0

tagging 2.3.2

tagging 2.3.1

Merge pull request #223 from esheldon/pixel-prepsf

Merge pull request #230 from esheldon/bdf-guesser

add guesser for BDF with psf flux

Merge pull request #227 from esheldon/ppsf-perf

PERF add O(N) phase shift computation

tagging v2.1.0

Merge pull request #212 from esheldon/beckermr-patch-1

BUG add kind attribute for PrePSFMom fitter

Merge pull request #211 from esheldon/beckermr-patch-1

ENH release 2.0.5