rethinkdb 1.8

[nimajalali]

http://rethinkdb.com/blog/1.8-release/

Testing with the current release of rethinkgo and everything seems to be working. The testing was by no means exhaustive.

[nimajalali]

@christopherhesse Do you have any cycles to implement support for 1.8?

[christopherhesse]

It is unlikely I will be able to do this anytime in the near future.