I just added the test for redtube.com
IEs without tests are intact.
Update for new source links on worldstarhiphop.com
[ci skip]
Also fix DateRange not accepting ranges of one day.
Create a function unified_strdate in utils.py to fix these problems
Only absolute dates.
The playlist_title wasn't initialized.
They are not needed
Allows to show the warning when falling back on GenericIE