* Quit with an error code

* Use `Q` as "quit with err"

* Remove extra var and simplify conditions

* Revert combining conditions

* Fix formatting

* Format help with as much tabs as possible

There is no way to detect and handle GUI executables. Must run manually.

This reverts commit 1ed5febe0c.

This reverts commit 278fcfdfc9.

* Initial commit of sessions implementation

* Reduce code duplication

* Move load session to program flag -e

* Fix context initialization problem when loading session

* Add pinned directory to session and reduce session file size

* Make load_session print an error if exists and few minor adjustments

* Refactor session's file structure

* Initialize required structures in load_session before loading

* Add load session dynamically, restore last session, and extra fixes

* Fix indentation

* Add sessions documentation to man page

* Update fish completions with sessions and make some improvements

* Move to single keybinding session management and add help info

* ESC when asked to insert session name behaves better

* Add sessions completion for bash

* Remove pinned dir from session and minor code refactors