Added object.* library; added cosmoO_isDescendant to cobj.[ch]

The object library includes:
- __proto getter and setter tables (might make an option to lock __proto in the future)
- ischild()

cosmoB_loadDebug was renamed to cosmoB_loadVM and now only loads the VM library

src/cparse.c

@@ -1433,7 +1433,7 @@ static void forLoop(CParseState *pstate) {
     // parse initializer
     if (!match(pstate, TOKEN_EOS)) {
         expressionStatement(pstate);
-        consume(pstate, TOKEN_EOS, "Expected ';' after initializer!");
+        consume(pstate, TOKEN_EOS, "Expected ';' after initializer");
     }
 
     // start loop scope