More NAN fixes.
More NAN fixes.

darrenmce/ursa,davedoesdev/ursa,IbpTeam/node-ursa,quartzjer/ursa,IbpTeam/node-ursa,darrenmce/ursa,quartzjer/ursa,darrenmce/ursa,mansona/ursa,IbpTeam/node-ursa,quartzjer/ursa,davedoesdev/ursa,IbpTeam/node-ursa,mansona/ursa,mansona/ursa,darrenmce/ursa,mansona/ursa,davedoesdev/ursa