process improvements + new icons

sys/apps/multishell

@@ -193,12 +193,12 @@ local function launchProcess(tab)
     if tab.fn then
       result, err = Util.runFunction(tab.env, tab.fn, table.unpack(tab.args or { } ))
     elseif tab.path then
-      result, err = os.run(tab.env, tab.path, table.unpack(tab.args or { } ))
+      result, err = Util.run(tab.env, tab.path, table.unpack(tab.args or { } ))
     else
       err = 'multishell: invalid tab'
     end
 
-    if not result and err ~= 'Terminated' then
+    if not result and err and err ~= 'Terminated' then
       if err then
         printError(tostring(err))
       end