Refactors and adds bin reservoirs for better performance
Improves performace for sum, density, percentile, sample, etc.
Bump version
Adds a clone when computing the sum
Test implementations w/ targets
Nit fixes
Bump to Clojure 1.5, adds convenience functions and regression tests
Fix so both reservoir implementations produce the same histograms
Bump to Clojure 1.5.1
Updates readme for new histogram release
Nit fix
Fix bin-insert! so it properly updates min/max