refactor(config) value - 0 -> Number(value)

lib/client/config.js

@@ -240,10 +240,9 @@ var CloudCmd, Util, DOM, io;
             switch(type) {
             case 'checkbox':
                 data = el.checked;
-                
                 break;
             case 'number':
-                data = el.value - 0;
+                data = Number(el.value);
                 break;
             default:
                 data = el.value;