Reverse dependencies for enumerate_by

Latest version of the following gems require enumerate_by

Gem	Version	Date	Downloads
has_addresses +23 Thousand Downloads	`0.5.2` March 07, 2010	March 07, 2010	23 Thousand
has_roles +14.6 Thousand Downloads	`0.3.1` March 07, 2010	March 07, 2010	14.6 Thousand
has_ratings +9.94 Thousand Downloads	`0.3.1` March 07, 2010	March 07, 2010	9.94 Thousand
pluginaweek-has_ratings +3.71 Thousand Downloads	`0.3.0` August 10, 2014	August 10, 2014	3.71 Thousand