Different behaviour for @Sortable 2.3.6+

[Schalk Cronjé]

This following code works under 2.3.3, but fails under 2.3.6 - 2.4.5
   @EqualsAndHashCode(excludes=['location'])
   @TupleConstructor
   @Sortable(excludes=['location'])
   @ToString
   class Bar implements Comparable {
        String version
        File location
   }

For the failure it complains that "int CompareTo" needs to be 
implemented. I was under the impression that @Sortable adds that method.

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Schalk W. Cronjé
Twitter / Ello / Toeter : @ysb33r