jnunemaker/mongomapper — pull request #440 by jqr (2012-07-27 03:38:54+00:00)
Title: Support for the new mongo hosts option format

See https://github.com/mongodb/mongo-ruby-driver/blob/bf9f12d05fe7e4833640c5ebd6f45bfcdd9df5f0/lib/mongo/repl_set_connection.rb#L102-112