provide some infra to do xml type conversion, eg 'True' -> True
provide some infra to do xml type conversion, eg 'True' -> True

git-svn-id: ec97508af0aa29a1d296967d6f0ba22a468c79d6@656 286bb87c-ec97-11de-a004-2f18c49ebcc3

rctk/rctk,rctk/rctk