Fix a bunch of test TODOs.

- Added a bunch of tests.
- Removed some TODOs for stuff that's already done.
- Made list literals handle newlines better.

test/class/name_inside_body.wren

@@ -0,0 +1,14 @@
+class Foo {
+  static sayName {
+    io.write(Foo.toString)
+  }
+
+  sayName {
+    io.write(Foo.toString)
+  }
+
+  static toString { return "Foo!" }
+}
+
+Foo.sayName // expect: Foo!
+(new Foo).sayName // expect: Foo!