last commit:
COMMIT Fixed enumerator_class spec.	http://github.com/rubyspec/mspec/commit/66c9eb68ccdc473025d2f6fb34019fc3a977c252
last commit:
COMMIT Add a spec for detect/find with failover proc on explicitly empty array.	http://github.com/rubyspec/rubyspec/commit/1e4d92688d929ee34ece2cb5886df4a1d712797f