Fix: pending assignments undefined for iterations

The iterations tooltip for the users pending assignments was showing
undefined instead of the actual count. This PR fixes that.
Updates anagram tests so that returned array order doesn't matter. Implements #471
Merge pull request #473 from hersha/anagram_improvement

Updates ruby anagram tests so that returned array order doesn't matter.
Merge pull request #472 from Dparker1990/fix_versions_tooltip

Fix: pending assignments undefined for iterations