feat: Create filesystem interface and a physical filesystem

lib/core.ts

@@ -37,6 +37,7 @@ interface Internals {
 
 var env: Environment = arguments[0], internals: Internals = arguments[1];
 globalThis.log = internals.constructor.log;
+var i = 0.0;
 
 try {
     run('values/object');

lib/values/errors.ts

@@ -2,11 +2,12 @@ define("values/errors", () => {
     var Error = env.global.Error = function Error(msg: string) {
         if (msg === undefined) msg = '';
         else msg += '';
-    
-        return Object.setPrototypeOf({
+
+        return {
             message: msg,
             stack: [] as string[],
-        }, Error.prototype);
+            __proto__: Error.prototype,
+        } as any;
     } as ErrorConstructor;
 
     setConstr(Error.prototype, Error);