Add support for gateway_transaction_id
Update version
Add support for ThirdPartyTokens
Up the version
Update the history
Revert "cleanup spec"

This reverts commit fe6da0b4268740c4b766e4be84faadccfe18ac10.
Revert "fix remote tests for successfully_list_gateways and list_payment_methods"

This reverts commit 1cc6ffc06003ca76dadb96b439538c41e6a82245.
Revert "fix test name in find_transcript_test"

This reverts commit 4acc83356b365f990b43625d842bcf2e5ed3b22c.
Revert "improve find_transcript stubs"

This reverts commit 335fd1a7abac7fc5cbf2bd2e4d703a9ba14c5db8.
Merge remote-tracking branch 'upstream/master'