🐛 bug: fix io.write and take off the `max_iters` restriction

The math is lining up with PUC Lua and LuaJIT. Now I can actually check
the speed.

src/main.rs

@@ -64,11 +64,10 @@ fn main () -> Result <(), state::StepError> {
 		vm.debug_print = true;
 	}
 	
-	let max_iters = 2000;
 	let mut in_break = false;
 	let mut last_input = String::new ();
 	
-	for _ in 0..max_iters {
+	loop {
 		if in_break || breakpoints.iter ().any (|bp| vm.at_breakpoint (bp)) {
 			in_break = true;
 			dbg! (&vm.stack);

src/state.rs

@@ -68,7 +68,6 @@ fn lw_io_write (l: &mut State, num_args: usize) -> usize {
 			_ => panic! ("Can't io.write this value"),
 		}
 	}
-	println! ("");
 	// TODO: PUC Lua actually returns the file handle here.
 	0
 }