ATTENTION: Use of this method runs as a batch and requires the use of the &$sandbox in the hook_update_N. Since a hook_update_N using a batch will run repeatedly until the batch is done, there should be no other actions or operations performed in the hook_update_N
Improved README file
#2406975: Remove 'module' key in hook_rules_action_info()
#2891810, #1280450, #1293846: More flexibility for default durations (recovered lost feature of 7.x-1.0-beta2)
#1899606: Support role assignment modules