This patch allows adore-djatoka to properly resolve source image URLs that contain URL-encoded basic auth credentials, for example:
http://user:pass@memory.loc.gov/gmd/gmd433/g4330/g4330/np000066.jp2
Note that this way of passing credentials has been deprecated in
RFC3986. It is only used to pass the
credentials to adore-djatoka, which then uses the Authorization
header to