fixed references to update items

src/Structures/User.js

@@ -29,6 +29,10 @@ export default class User extends Equality{
 		}
 	}
 
+	get name() {
+		return this.username;
+	}
+
 	mention(){
 		return `<@${this.id}>`;
 	}

src/Util/Cache.js

@@ -52,9 +52,10 @@ export default class Cache extends Array {
 
 	update(old, data) {
 		var item = this.get(this[discrimS], old[this[discrimS]]);
+
 		if (item) {
 			var index = this.indexOf(item);
-			this[index] = data;
+			Object.assign(this[index], data);
 			this[discrimCacheS][data[this[discrimS]]] = this[index];
 			return this[index];
 		} else {