ServerError returns Server Response Message
Merge pull request #187 from randywallace/server-error-response-message

ServerError returns Server Response Message
Version bump (1.13.3)
build image from tar
add example to README
Merge pull request #188 from mastahyeti/build_from_tar

Build image from tar file
Patch version bump (v1.13.4)
add Image.exist? method
add docs
Merge pull request #190 from mastahyeti/image_exist

Add Docker::Image.exist? method
authenticate host
fix excon warning
ws
Merge pull request #192 from mastahyeti/fix_excon_warning

Fix excon warning
Patch version bump 1.13.5
Merge pull request #191 from boardiq/master

Allow Docker#authenticate! to call other hosts
Patch version bump 1.13.6
temporal timeout hack