Fix some servlet spec compatibility issues
Don't allow listeners that are added programatically to modify the deployment
Add session listener to listener types list
Throw correct exception
Throw IllegalArgumentException if not a listener class
Handle error conditions correctly when adding servlets, filters and listeners
Change the way session config is done
Throw NPE as per spec
Correctly wrap exceptions
Actually reset the buffer on sendError()
Return correct address
Session changes to better support URL rewriting
[UNDERTOW-35] Enable Digest authentication for servlets.