Fixing the remove facet filter

The remove facet filter would only work if the value had been supplied
with it, this has now been resolved so that the facet can be removed
wholesale

Signed-off-by: Andrew Lowther <andrew.lowther@mademedia.co.uk>
Bumping version number

Signed-off-by: Andrew Lowther <andrew.lowther@mademedia.co.uk>