test to ensure nullable values bypass type and coercion functions. renamed stuff from original 'undef' to 'nullable'.
test to ensure nullable values bypass type and coercion functions. renamed stuff from original 'undef' to 'nullable'.

git-svn-id: 1f9138c7dbecc0d7a7a28c14113c4bc111b65548@317 7be8dbaf-bf49-0410-bd10-bfef82906ff6

zaphar/joose-js-mirror,zaphar/joose-js-mirror,zaphar/joose-js-mirror