tumblr/collins — pull request #195 by byxorna (2014-08-13 13:18:26+00:00)
Title: remove AddressPool cache

@maddalab @Primer42 @dallasmarlow
This PR guts the AddressPool of all IP allocation functions, and the bitset "cache" that was being used. This process-local cache has to go in order to be able to do proper loadbalancing between collins instances.