Added the YAJL changelog.
Removed Unicode/UTF8 support from the JSON/YAJL code (for the time being).
Handle the translation between JSON escaped characters and MOO binary string encoded characters.
Tests for JSON/MOO translations.
Dodge division by zero failure when invoking `random(0)'.
Tests for `random()' builtin.
Merge remote-tracking branch 'upstream/stunt' into stunt