Gems4 fast_haversine 0.0.1 1,210,907 August 26, 2014 active_subset_validator 1.0.0 38,635 August 27, 2013 lifesaver 0.2.1 13,252 March 25, 2014 leapfrog-customer_scoring 0.0.2 7,108 October 07, 2013