filedownloadurl() encodes the query components.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5242 2fea6a4d-a838-0410-917b-93a53c48e9d2
show_clean_test() doesn't resort on error suppression.

Uses identical operator for comparing what supposedly are
IP addresses.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5243 2fea6a4d-a838-0410-917b-93a53c48e9d2