#2 - requiring LazyMap
#2 - Experimental implementation that uses `LazyMap` to instantiate objects instead of an array-cache
#2 - Performance tests for un-cloneable assets
Fixed performance events groups
#2 - fixed type-hint on `buildFactory`
Merge pull request #3 from Ocramius/feature/#2-lazy-map-based-instantiation

#2 lazy map based instantiation