Note: This release drops support for Go versions prior to v1.7.

This release adds a new DialContext function, which supports cancellation via the context.Context.

CHANGELOG:

66b9c49 Move context to first parameter in DialContext a9dd6e8 miscellaneous cleanup ceae452 Add context in the Dialer b378cae Add write buffer pooling 5fb9417 drop Go versions prior to 1.7 in CI