Expose betweenProperties on query bean

ebean-querybean/src/main/java/io/ebean/typequery/PBaseComparable.java

@@ -304,6 +304,14 @@ public abstract class PBaseComparable<R, T> extends PBaseValueEqual<R, T> {
     return _root;
   }
 
+  /**
+   * Between - value between this property and another property
+   */
+  public final R betweenProperties(Query.Property<T> highProperty, T value) {
+    expr().betweenProperties(_name, highProperty.toString(), value);
+    return _root;
+  }
+
   /**
    * Greater than.
    *