Support the typhoeus streaming api.
A test for support for the new Typhoeus streaming API.
Swap the order of arguments to on_body callbacks.
Add support for Typhoeus::Request#on_headers.
require 'pathname' in response.rb to fix NameError: uninitialized constant WebMock::Response::Pathname when using Test::Unit or Minitest
Merge pull request #343 from stupakov/master

fix for https://github.com/bblimke/webmock/issues/340
Added info about removing stub requests to README.
Version 1.16.1
Merge pull request #349 from spraints/streaming-typhoeus

Stubs for Typhoeus::Request#on_body
unit spec for query mapper examples
convert nil to "", e.g. an empty key, prevents error with `dup`
Add license statement as required.

 Ansgar Burchardt noticed missing license statements http://lists.alioth.debian.org/pipermail/pkg-ruby-extras-maintainers/2013-July/015499.html
Add license statement as required.
add license to version_checker.rb
HTTP Gem support
Limit excon dependency version
Play nice with excon >= 0.29.0
Bump minimal version of excon to 0.27.5

Resolves #347
Merge pull request #352 from JonRowe/fixup_query_mapper

Fix issue where empty query key causes a `TypeError`
Merge pull request #357 from vid-io/fix/excon-dependency

Limit excon dependency version