added IStrings, added __index functionality

examples/test.cosmo

@@ -1,26 +1,14 @@
-class test
-    function __init(self, str)
-        self.hello = str
-    end
+-- crafts a dummy class
+class test end
 
-    function print(self, i)
-        var str = self.hello
+-- instance of test
+var obj = test()
 
-        for (var x = i; x > 0; x=x-1) do
-            str = str .. "!"
-        end
-
-        print(str)
+test.__index = function(self, key)
+    print("__index called!")
+    if (key == "lol") then
+        return 9001
     end
 end
 
-var obj = test("Hello world")
-for (var i = 1; i <= 1; i=i+1) do
-    obj.print(i)
-end
-
-test.debug = function(self)
-    print("hi from " .. self)
-end
-
-obj.debug()
+print(obj["lol"]) -- should print 9001?