v2.4.0

Changelog

8de4f4f add reshctl status and reshctl update
75f4695 add debug conf, fix minor sesshist request issue, fixes
9a35e44 remove bash 4.0+ redirections
fbf0291 reset recall widget state based on line prefix
4dfe163 use exit code to signify recall errors
93b7c07 reset end-of-recall-list lag protection on cursor or line change
0a7971b fix local dev building, minor improvements