Some of the articles have a date element like this:
<p class="byline">
<span class="diary text-uppercase"><a href="/stridentconservative " style="color:red;">DIARY / </a><a href="/stridentconservative">stridentconservative</a> // </span>
Posted at 6:00 am on November 2, 2016 by <a href="/stridentconservative">stridentconservative</a>
</p>
Which stops the //p[@class="byline"]/text() from working because of the // 
Date extraction in site config to be updated
Some of the articles have a date element like this:
Which stops the
//p[@class="byline"]/text()
from working because of the//