dl-protect: fix wrong path matching

Reported in: https://greasyfork.org/forum/discussion/1537/x#Comment_5342
Fix Binbox.io

The page is not always the same, sometimes the script could not find the element, and thus did not display the paste on the page, even though it was correctly retrieved using the API.
Update changelog.
Merge branch 'develop'

Conflicts:
	CHANGELOG.md
Bump version.