NO-JIRA: Added an entry to the Ruby ChangeLog for 0.4.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1488341 13f79535-47bb-0310-9956-ffa450edef68
PROTON-322: Extended the Ruby Array class to work with the Data class.

Added attributes for setting the Proton type and description for
encoding an entire array as a described Array. If the type isn't set
then the array is added as an AMQP List instead.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1488342 13f79535-47bb-0310-9956-ffa450edef68