added test connector, webrtc connector, ideas to apply operations with very low overhead

src/Types/List.js

@@ -0,0 +1,27 @@
+
+
+(function(){
+
+  class List {
+    constructor (_model) {
+      this._model = _model;
+    }
+    *val (pos) {
+      if (pos != null) {
+        var o = yield* this.Struct.List.ref(this._model, pos);
+        return o ? o.content : null;
+      } else {
+        return yield* this.Struct.List.map(this._model, function(c){return c; });
+      }
+    }
+    *insert (pos, contents) {
+      yield* this.Struct.List.insert(pos, contents);
+    }
+  }
+
+  Y.List = function* YList(){
+    var model = yield* this.Struct.List.create();
+    return new List(model);
+  };
+  Y.List.Create = List;
+})();