We also remove META here since it rarely contains anything useful, and
often contains sensitive environment vars.
(imported from commit 2909613f9f52684bef9175600961801104644c75)
We don't use the latter anywhere in our API, and this typo caused user
API keys to be emailed / humbugged places.
(imported from commit d0402e8e9fd587f6a9018c962d222fb5f9ceca48)
This should really be handled on a per-method basis, but in general we
don't want "password" or "key" to be sent to us for security reasons.
Addresses trac #569.
(imported from commit 1c246fce00f3740977c595641341ee36eb5ed831)