Allow INDEF objects to be equality-tested against string objects set to INDEF - based on SSB help ticket #851
Allow INDEF objects to be equality-tested against string objects set to INDEF - based on SSB help ticket #851

git-svn-id: 6d9763a5a770351123389058c013888add577529@14029 fe389314-cf27-0410-b35b-8c050e845b92

spacetelescope/stsci.tools