You can clone with
Use Array.wrap uniformly
Accept array of attributes as arg also, like 2.3
Merge commit 'josevalim/validations'
Get rid of 'Object#send!'. It was originally added because it's in Ru…
…by 1.9, but it has since been removed from 1.9.
Signed-off-by: Jeremy Kemper <firstname.lastname@example.org>