Merge pull request #48 from justincely/table_broadcast

Added support for broadcasting in binary table columns.

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.2-stable@2531 ed100bfc-0583-0410-97f2-c26b58777a21
Add changelog entry for #48

git-svn-id: http://svn6.assembla.com/svn/pyfits/branches/3.2-stable@2532 ed100bfc-0583-0410-97f2-c26b58777a21