Minor version bump 1.10.0
Add Image#refresh!

This method can be used to update the internal state of Docker::Image
objects.
Change Docker::Base to a module.

Since Docker::Base represents no real object, it makes more sense as a
module.
Now returning self at the end of Docker::Image#refresh!
Update a VCR
Merge pull request #94 from swipely/add-image-refresh

Add image refresh
Patch version bump 1.10.1
Fix broken links
Merge pull request #105 from liubin0329/master

Fix broken links
Fix Docker::Image.create

The credential-header-logic was a bit off, this commit fixes it and adds
a test.
Merge pull request #110 from swipely/send-headers-on-create

Fix Docker::Image.create
Patch version bump 1.10.2
Merge remote-tracking branch 'upstream/master'