Reverse dependencies for hipsterhash

Latest version of the following gems require hipsterhash

Gem	Version	Date	Downloads
smartring +14.1 Thousand Downloads	`0.0.7` May 17, 2018	May 17, 2018	14.1 Thousand
sfkb +6.28 Thousand Downloads	`0.1.3` April 13, 2018	April 13, 2018	6.28 Thousand
rack-mp +3.78 Thousand Downloads	`0.0.1` April 11, 2014	April 11, 2014	3.78 Thousand
cloudflarer +3.63 Thousand Downloads	`0.0.1` August 14, 2016	August 14, 2016	3.63 Thousand