Hello,
we fixed issue 465 and introduced couple new (intended) consequences:
- you can use multiple delimiter characters ';', ',', ' ' (space) 
instead just ';' when specifying filters, filter factories, class and 
package names and classpath in web.xml (init params) or directly setting 
this properties via ResourceConfig.
- FilterFactory now asks ResourceConfig for filters and filter factories 
(instead directly accessing properties) so its possible to add something 
programatically after web.xml is parsed.
Pavel