#536 fix for clearing settings

supervisor/configure.lua

@@ -907,7 +907,9 @@ local function config_view(display)
     end
 
     local function save_and_continue()
-        for k, v in pairs(tmp_cfg) do settings.set(k, v) end
+        for k, v in pairs(tmp_cfg) do
+            if v == nil then settings.unset(k) else settings.set(k, v) end
+        end
 
         if settings.save("/supervisor.settings") then
             load_settings(settings_cfg, true)

supervisor/startup.lua

@@ -21,7 +21,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v1.4.3"
+local SUPERVISOR_VERSION = "v1.4.4"
 
 local println = util.println
 local println_ts = util.println_ts