More all-rounded implementation of the new objecty features, several bugfixes, and updates to the standard library to behave. Vector still needs a bit more work for some operations

stdlib/string.krak

@@ -1,7 +1,7 @@
 import vector;
 import mem;
 
-obj string (Destructable) {
+obj string (Object) {
     var data: vector::vector<char>;
     fun construct(): string* {
         data.construct();