added two things: 1. updated the code to reflect pyrods 3.2.6 and 2. an additional config options for primary and secondary irods resources.  The intent is that the secondary irods resource will be for replication; however, as of 3.2.6 the replicate function does not work, but the primary resource could be useful for those situations where one might want to target a specific resource server, for performance, location, etc