Revert "use request.forever instead of passing in a pool, deals with https://github.com/request/request/issues/1511"
Revert "use request.forever instead of passing in a pool, deals with https://github.com/request/request/issues/1511"

This reverts commit 0e6fe5016a6a322059d315095aaf65dd4603c532.

faradayio/node_smartystreets,faradayio/node_smartystreets