- library/mongo: * updated interface to current nx * updated to mongo-c-driver 0.4 (current version) * The mongo c-driver does not allow to add DBRefs, since it refuses to accept field names with leading '$'. So we skip these tests for the time being.
- altered default handling to honor side effects of aliased object parameters. This slows down evaluation a little. Side-effects from aliased parameters are discouraged, since the order of the evaluation should not matter of an declarative evaluation of the argument vector. - extended regression test