Python Driver v1.12.0-1
Fix for #1811 , might be improved.
More fixes for #1811.
Do not have more than one outstanding CONTINUE request
Python driver 1.12.0-2
Merge commit '53e23c7' into HEAD

Conflicts:
	drivers/python/setup.py
Fixes for thread safety, issue #1811
Merge branch 'v1.12.x' into next

Conflicts:
	drivers/python/rethinkdb/net.py
fixing clang warning and error cases in r.http
Merge pull request #2387 from eliangidoni/fix-1811

Fix for #1811 by @eliangidoni, reviewed by @danielmewes.
setting default user agent to 'RethinkDB'
adding default r.http auth type as 'basic'
adding new r.http tests
merging larkost/2390-remove-proto-buffers

Issue #2390 Remove the need for the proto-buffers ruby gem
Bypass the need to have the ruby proto-buffers gem installed in order to translate the master proto buffers file into a ruby hierarchy
Merging #1565 Provide a signed OS X package

Add the flag to productbuild to sign the resulting .pkg/.dmg, and the conditional code to make sure it only comes into play when available/required. In addition to this code the required certificate and private key need to be in a keychain on the signing system and visible to the signing process.
changing to older name for curl option define
changing user agent setting to be more robust and allow for user agent spoofing
fixing EINTR errors on r.http
Fix for the second part of #2285
Merge branch 'v1.12.x' into next