Merges two users into the same effective user

Changes for 1.08 - 2023-05-16

• Cover merged user ids for ticket owner searches
• Cover merged user ids for ACL check in searches

data pack for Business::ISBN

Changes for 20230516.001 - 2023-05-16T15:09:45Z

• Data update for May 16, 2023

Map body and data parameters to a model

Changes for 0.017

• Allow a model to handle more than one content type

Lightweight client for the RPC-Switch.

Changes for 1.66 - 2022-11-07

• added msglimit param to avoid 'netstring too big' worker exit
• invalidate per_user session to remove childs without session from session cache
• don't add job if child pipe is broken