Gui: made it less responsive, to make it more responsive!

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

zUtil_GUI/GtBaseGuiElem.m

@@ -36,7 +36,7 @@ classdef GtBaseGuiElem < handle
 
         function updateDisplay(obj)
         % GTBASEGUIELEM/UPDATEDISPLAY Displaying function
-            if ((now - obj.timestamp) > 3.818655386567116e-07)
+            if ((now - obj.timestamp) > 1.157407407407407e-06)
                 obj.doUpdateDisplay();
                 obj.timestamp = now;
             end
@@ -74,7 +74,7 @@ classdef GtBaseGuiElem < handle
 
         function initParams(obj, arguments)
             % parse input
-            obj.conf = parse_pv_pairs(obj.conf, arguments);
+            [obj.conf, ~] = parse_pv_pairs(obj.conf, arguments);
         end
 
         function setConfigInvariants(obj)