Switch parsing of wcs type to use valid_wcs_types dict.
(#364)
Move and rename des examples to des directory
(#364)
Minor update to make sure demos correctly build the output directory on their own if necessary.
(#364)
Fix some errors with JacobianWCS and add getDecomposition and getMatrix
(#364)
Update the DES PSF types to use the new WCS stuff correctly
(#364)
Fix to work with older numpy that doesn't have assert_warns
(#364)
Update des_meds to work with new wcs, Image, etc.
(#364)