Removes excess whitespace and line breaks from a string. A definite OCD pleaser.
html: | <p>I copy & pasted <a href="http://goodnightchrome.show">this link </a> <strong>for you!</strong> </p>{{ html | spaceless }}<p>I copy & pasted <a href="http://goodnightchrome.show">this link </a><strong>for you!</strong></p>
