Reverse dependencies for bel

Latest version of the following gems require bel

Gem	Version	Date	Downloads
openbel-api +54.6 Thousand Downloads	`1.2.12` May 22, 2017	May 22, 2017	54.6 Thousand
bel-search-sqlite +33.3 Thousand Downloads	`1.1.0` January 13, 2017	January 13, 2017	33.3 Thousand
bel-rdf-jena +22.2 Thousand Downloads	`1.1.0` January 13, 2017	January 13, 2017	22.2 Thousand