Removed compability with 44 from metadata.json (this branch doesn't work

with gnome 44).  Add fix to keybind clash that was found from gnome-44
development (which affects this branch).  Updated README.md re gnome
versions and this branch.

README.md

@@ -4,7 +4,9 @@
 
 PaperWM is an experimental [Gnome Shell](https://wiki.gnome.org/Projects/GnomeShell) extension providing scrollable tiling of windows and per monitor workspaces. It's inspired by paper notebooks and tiling window managers.
 
-Supports Gnome Shell from 3.28 to 43 on X11 and wayland.
+Supports Gnome Shell from 3.28 to 44 on X11 and wayland.
+
+>**Note:** while PaperWM can be installed on a wide range of Gnome versions, new features aren't generally backported to prevous Gnome Shell versions.  Fixes may be backported on request (please submit a [new issue](https://github.com/paperwm/PaperWM/issues/new/choose) if you've identified a recent fix that should be backported and you can help with testing).
 
 While technically an [extension](https://wiki.gnome.org/Projects/GnomeShell/Extensions) it's to a large extent built on top of the Gnome desktop rather than merely extending it.
 
@@ -14,8 +16,8 @@ We hang out on [zulip](https://paperwm.zulipchat.com).
 
 Clone the repo and check out the branch supporting the Gnome Shell version you're running.
 
-- 44 (experimental, not officially supported yet, please report bugs): https://github.com/paperwm/PaperWM/tree/develop
-- 43 (experimental, please report bugs): https://github.com/paperwm/PaperWM/tree/develop
+- 44 (targeted for current support): https://github.com/paperwm/PaperWM/tree/develop
+- 43: https://github.com/paperwm/PaperWM/tree/gnome-43
 - 42: https://github.com/paperwm/PaperWM/tree/gnome-42
 - 40: https://github.com/paperwm/PaperWM/tree/gnome-40
 - 3.28-3.38: https://github.com/paperwm/PaperWM/tree/gnome-3.38

metadata.json

@@ -4,7 +4,7 @@
   "description": "Tiling window manager with a twist",
   "url": "https://github.com/paperwm/PaperWM",
   "settings-schema": "org.gnome.Shell.Extensions.PaperWM",
-  "shell-version": [ "42", "43", "44" ],
+  "shell-version": [ "42", "43" ],
   "version": "43.0",
   "session-modes":  [ "unlock-dialog", "user" ]
 }

settings.js

@@ -242,7 +242,7 @@ function keystrToKeycombo(keystr) {
         keystr = keystr.replace('Above_Tab', 'A');
         aboveTab = true;
     }
-    let [key, mask] = Gtk.accelerator_parse(keystr);
+    let [ok, key, mask] = Gtk.accelerator_parse(keystr);
 
     if (aboveTab)
         key = META_KEY_ABOVE_TAB;