* Bugfix: Clear dead/crashed actors out of links * Bugfix: Exclusive mode was broken * Bugfix: Celluloid::SupervisionGroup#run was broken * Celluloid::ClassMethods#proxy_class allows configurable proxies * Improved error messages for Fiber-related problems * Better object leakage detection when inspecting * Use #public_send to dispatch Celluloid methods * #idle_size and #busy_size for Celluloid::PoolManager * Namespace all thread local names with :celluloid_*