wren/compiler: Allow multiline empty parameter lists and calls. (#925)

test/language/method/no_parameters_new_line.wren

@@ -0,0 +1,19 @@
+
+class Foo {
+  static call(
+        ) {
+    System.print("Success") // expect: Success
+  }
+
+  construct new () {}
+
+  call(
+        ) {
+    System.print("Success") // expect: Success
+  }
+}
+
+Foo.call(
+)
+Foo.new().call(
+)