fix subLiterals unknown and the test

two stupid bugs...

bukkit/site/lab0x13/scrow/commands/bukkit/BukkitCommandContext.java

@@ -20,5 +20,4 @@ public class BukkitCommandContext<C extends CommandContext<C>> extends AbstractC
     public Player player() {
         return (Player) sender();
     }
-
 }

bukkit/site/lab0x13/scrow/commands/bukkit/BukkitScrowCommand.java

@@ -29,7 +29,7 @@ public class BukkitScrowCommand<C extends BukkitCommandContext<C>> extends Comma
         commandHandler.invoke(
                 rootLiteral,
                 commandContextFactory.createContext(rootLiteral, commandSender),
-                Stream.of(args).filter(str -> !str.isEmpty())
+                Stream.of(args).filter(arg -> !arg.isEmpty())
         );
         return true;
     }