npm install pvclockpvclock
=======
Pruning vector clocks inspired by vectorclock
and riak vector clocks.
``javascript
var pvclock= require('pvclock')({ small: 10, big: 50, young: 20, old: 86400 });
var vclock1= {}, vclock2= {};
pvclock.increment(vclock1,'Alice');
pvclock.increment(vclock2,'Alice');
pvclock.increment(vclock1,'Ben');
pvclock.increment(vclock1,'Dave');
pvclock.increment(vclock2,'Cathy');
console.log(pvclock.concurrent(vclock1,vclock2),
pvclock.merge(vclock1,vclock2))
``