Change the for loops in the soften function to use zip() and iteritems() since these make the loop clearer
Change the for loops in the soften function to use zip() and iteritems() since these make the loop clearer

git-svn-id: 1c5f0d70b70358869d03d7859daa03e4e3c53617@161 741c516a-3ba6-4fa8-b112-5c51f26a88df

tbentropy/pytile