v1.1.4

Make imagebuilder's argument handling mirror "docker build"

v1.1.3

archiveFromContainer(): return possibly-wrapped os.IsNotError
Fix error output in archive.go

v1.1.2

Add tests to verify copy and add with environment substitution.
Process env substitution in ADD, COPY commands
dockerclient: detect ENOENT when copying
NewBuilder(): always initialize Args

v1.1.1

Add env to stage
Use imported constants instead of our own
dockerclient newArchiveMapper: always end archiveRoot with "/"
conformance: test COPY --from with a symlink as the source dir
README: Add podman specific note
Migrate from glog to klog
vndr bump

v1.1.0

Update vendoring
Replace docker/docker imports with containers/storage imports
Move to semver versioning to make this library easier to use with go mod.