John Pagonis

Image URLs which are not FQDN and have no size are missed by images()

2

eg., ``` ... ... ``` will only return `/v9/images/1x1-white.jpg` when `images()` is called. However, if `images_with_fqdn_uris!("http://bla.com")` is called then subsequent calls to `images()` will return an array with all image...

In `clean_conditionally(node, candidates, selector)` the constant `TEXT_LENGTH_THRESHOLD` is [used](https://github.com/cantino/ruby-readability/blob/master/lib/readability.rb#L465) which ever being declared. Do we know what was the intention for this?