Closes #317: Preproc behavior when size defined in user class.

Though this was already fixed, just adding a test to confirm that it stays fixed. Need to respect calls to user-definined size methods including those defined in user-made classes.

java/test/processing/mode/java/ParserTests.java

@@ -410,4 +410,9 @@ public class ParserTests {
     expectRunnerException("mixing", 1);
   }
 
+  @Test
+  public void testSizeClass() {
+    expectGood("sizeclass");
+  }
+
 }