All for null arguments to be passed again.

In order versions, This used to allow for nulls to be passed as an argument if it was not found in the options. This would add that functionality back.

Author: Marcel Walden

handlebars/src/main/java/com/github/jknack/handlebars/helper/MethodHelper.java

@@ -72,7 +72,7 @@ public Object apply(final Object context, final Options options) throws IOExcept
           if (paramTypes[i] == Options.class) {
             args[i] = options;
           } else {
-            args[i] = options.param(i - 1);
+            args[i] = options.param(i - 1, null);
           }
         }
       }