Fix Image spec
Beginning of Event stream
Use newer VCR with Excon middleware
Add support for event

Specs are pending since VCRs aren't being recorded when breaking out of
the response_block
Make create_tar return the String not the StringIO

Fixes issue with VCR-Excon Middleware
Update Docker.authenticate!

Required a couple more error wrappers
Cannot get the error case to pass and record a VCR since VCRs middleware
doesn't like doing that
Remove the newlines from the base64 encoding...
Update Docker remote API version
Extend Docker::Image#push and finish test
Add method to split based on the message header
Attach should now split header messages into list
Update tests using Docker::Container#attach
Update VCRs to latest version
Fix decipher_message for longer messages
Better method for getting payload length
Minor cleanups
VCRs were out of date for whatever reason
Add opts to build classmethod
Add options to build_from_dir classmethod
Enable both stdout and stderr from attach