Bohdan Storozhuk

Results 2 issues of Bohdan Storozhuk

The problem in the previous approach was that mock time literally didn't run between `limite.Take()` calls, so `now.Sub(oldState.last)` would always be 0 that can be problematic for some issues detection....

Results on 3.8 GHz 8-Core Intel Core i7 ``` name time/op RistrettoLoadStore/w-1-16 544ns ± 0% RistrettoLoadStore/w-2-16 892ns ± 0% RistrettoLoadStore/w-4-16 1.63µs ± 0% RistrettoLoadStore/w-8-16 3.42µs ± 0% RistrettoLoadStore/w-12-16 4.78µs ±...