merged
style
Python driver: make default printable

Closes #1476
Review 953 by @jdoliner
everything is broken
Bump python driver version to 1.9.0-1
shit is REALLY broken
things are slightly less broken
compiles but broken
ruby tests pass
ReQL tests pass
cleaning up error reporting in python backup scripts, errors write to stderr and parse errors print usage
fixing typo in error message when backup scripts not found
clarifying printouts in python backup scripts
working on unit tests
merged
Add --dynamic option to ./configure

Review 957 by @tryneus
Closes #1478
bugfix and regression test
Merge remote-tracking branch 'origin/v1.9.x' into HEAD
fixing crash when connecting to an old version of rethinkdb
fixes D1655 D1660