Escape slashes in hash. Fixes kswedberg#66.

Author: kswedberg

src/jquery.smooth-scroll.js

@@ -246,7 +246,7 @@
   $.fn.smoothScroll.defaults = defaults;
 
   function escapeSelector (str) {
-    return str.replace(/(:|\.)/g,'\\$1');
+    return str.replace(/(:|\.|\/)/g,'\\$1');
   }
 
 })(jQuery);