Fix to work with older numpy that doesn't have assert_warns
(#364)
Move and rename des examples to des directory
(#364)
Switch UncorrelatedNoise from using pixel scale to using a local wcs
(#364)
Enable pickling of Angles
(#364)
Enable repr and pickling for AngleUnit
(#364)
Treat fits files as binary
(#364)
Minor directory structure rearrangement in prep for adding example WCS fits files.
(#364)
gitignore test output fits files in fits_files dir
(#364a)