MongoDB Ruby Driver v1.9.2

• Exception should be raised when using limit() with an exhaust cursor (RUBY-650)
• Support URI encoded characters in passwords (RUBY-657)
• Problem connecting to multiple databases (RUBY-658)
• Crash with BSON::ObjectId.new('\xff') (RUBY-662)
• Raise error when exhaust flag is used with mongos (RUBY-679)
• find_and_modify does not return lastErrorObject (RUBY-635)
• Driver should check the query failure bit even on getmore response (RUBY-659)