Fix issue with empty or comment lines in htpasswd file
Fix issue with empty or comment lines in htpasswd file

An empty line in the htpasswd file allowed authentication without a
username or password. Apparently, empty lines and comment lines are
allowed in a htpasswd file, so these lines need to be excluded from
parsing into the options.users array.

gevorg/http-auth,http-auth/http-auth,sisou/http-auth