#350 - ENH: Add @History findVersions() query ... returning historic versions for a given bean using history view

src/main/java/com/avaje/ebean/Query.java

@@ -720,6 +720,15 @@ public interface Query<T> extends Serializable {
   @Nullable
   T findUnique();
 
+  /**
+   * Return versions of a @History entity bean.
+   * <p>
+   *   Generally this query is expected to be a find by id or unique predicates query.
+   *   It will execute the query against the history returning the versions of the bean.
+   * </p>
+   */
+  List<Version<T>> findVersions();
+
   /**
    * Return the count of entities this query should return.
    * <p>