#4 - Making cached instantiators/cloneables logic cacheable
#4 - testing for warmup or not is now useless due to the static cache in the instantiator
#4 - removing references to class warmup
#4 - splitting instantiation of the lazy maps into own methods
Merge pull request #5 from Ocramius/feature/#4-static-cached-instances-map

#4 - static cached instances map