Please review lib389 ticket 47600 (follow up) :Replica/Agreement/Changelog not conform to the design

[thierry bordaz]

Hi,

Rich already reviewed the Replica/RA/Changelog code for lib389.
This follow up review is to:

  * add unit tests for Replica/RA
  * Fix some bugs found while running the unit tests

https://fedorahosted.org/389/attachment/ticket/47600/0001-Ticket-47600-fo...