upgrade to Finagle 6
release version 0.1.9
Merge pull request #6 from tdyas/upgrade_finagle_6

Upgrade finagle 6
bump readme to version 0.1.9
fix for oauth1 param signing

Fixes a parameter escaping issue where
the oauth signed params would incorrectly handle
urls with parameters that included ? and &
bump version to 0.1.9.1

fixes oauth1 parameter signing