Add fields to store information about method's return data type.

include/ph7int.h

@@ -1100,6 +1100,8 @@ struct ph7_class_method {
 	sxi32 iFlags;        /* Methods configuration */
 	sxi32 iCloneDepth;   /* Clone depth [Only used by the magic method __clone ] */
 	sxu32 nLine;         /* Line on which this method was defined */
+	sxu32 nType;         /* Return data type expected by this method */
+	SyString sClass;     /* Return class expected by this method */
 };
 /*
  * Each active object (class instance) is represented by an instance of