The current state did not handle serializing out a list when a list was set in the configuration. This now adds that functionality along with unit tests.
JIRA: [REEF-2044](https://issues.apache.org/jira/browse/REEF-2044) Closes # [ Full content available at: https://github.com/apache/reef/pull/1479 ] This message was relayed via gitbox.apache.org for [email protected]
