Option to not add newline

I'd like to be able to print stuff inline like a sentence. Here's a snippet of my setup code:

```
var eyes = require('eyes');

var eyes_err = eyes.inspector({stream: process.stderr, maxLength: 1024*1024});

// stdout with a newline
function l(){console.log.apply(console,arguments)}

// uses eyes to send pretty output to stderr
function e() {
for (var i=0; i