Release 3.0.6 - Fix error when you need set a string_empty value to a determinate attribute

@soyjavi · @soyjavi · commit 94fa6102623e · 2014-07-25T12:55:53.000+02:00
diff --git a/source/quo.coffee b/source/quo.coffee
@@ -183,7 +183,7 @@ Quo = do ->
 
   $$.fn.indexOf = EMPTY_ARRAY.indexOf
 
-  $$.version = "3.0.5"
+  $$.version = "3.0.6"
 
   $$
 
diff --git a/source/quo.element.coffee b/source/quo.element.coffee
@@ -19,7 +19,7 @@ do ($$ = Quo) ->
   ###
   $$.fn.attr = (name, value) ->
     if @length > 0 and $$.toType(name) is "string"
-      if value
+      if value?
         @each -> @setAttribute name, value
       else
         @[0].getAttribute name
