[api] proxy start and end events to main prototype for convenience
[api] proxy start and end events to main prototype for convenience

warehouseai/smart-private-npm,terinjokes/smart-private-npm,cube-io/smart-private-npm,doublerebel/smart-private-npm,doublerebel/smart-private-npm,terinjokes/smart-private-npm,warehouseai/smart-private-npm,nodejitsu/smart-private-npm,cube-io/smart-private-npm,nodejitsu/smart-private-npm