Stop testing on rails 3.2 and ruby 1.9.3 and 2.0.0
Stop testing on rails 3.2 and ruby 1.9.3 and 2.0.0

cuzic/identity_cache,jeroenj/identity_cache,lanrion/identity_cache,yakovenkodenis/identity_cache,midu/identity_cache,Shopify/identity_cache,Shopify/identity_cache