v4.0.2783

Pre-Release of RIDE 4.0

WARNING: This is a pre-release version of RIDE. We cannot guarantee the stability of this product at this time.

Changelog:
Context-sensitive help for @ and ⌺.
set exit text back + conditioned prompt #115
seperated search addon to modify options fixes #32
made exit prompt more explicit fixes #115
RIDE closes on APL clean exit always. Fixes #95
added extra enter key handling fixes #50
fixed tabs not closing with X fixes #89
temporary patch fixes #132
changes to listview control fixes #142
Fix a17291a.
fixed uncaught error when winstate doesn't exist
update stack info when debug pane opens fixes #143
focus 'first' button on dialog fixes #121
Syntax highlighting for Stencil.
Add ⎕CSV and ⎕JSON.
Add :Disposable.
Update longname forms for @.
Remove @ from sqglDesc[] cos it doesn't typically have a `X shortcut.
Tweak fix for #123: reset q.exe.value after updExes() has trashed it.
Fix #145 languagebar tooltip and autocomplete menu should say ``` for ⋄.
Default to the first in the fetched list of interpreters. Fixes #129.
Fix #144.
Set RIDE_SPAWNED=1 when launching via SSH.
Save maximised state of window. Fixes #131.
Electron only sends 'moved' on macOS.
Make intersection calculation more robust for #139.
Don't restore window position to somewhere off screen. Fixes #139.
Add menu item to Toggle Full Screen.