this allows you to export a javascript Value back
for use in go. the result structure should be the
same as if you serialized to JSON in javascript
and then Unmarshal'd those bytes in go
Use octal to designate write/enumerate/configure (experimental)
Move extensibility responsibility into the stash
Rename propertyStash => objectStash (be congruent with arrayStash, etc.)
Get rid of a bunch of useless methods
Privatize everything ([A-Z] => [a-z_])
gofmt
