Implement paging support for tags and repositories. Closes #1.

1 job for master in 30 seconds
Status Job ID Name Coverage
  Test
failed #381026552
test

00:00:30

 
Name Stage Failure
failed
test Test
Skipping Git submodules setup
$ mkdir -p ${PROJECT_PATH}
$ cp -R * ${PROJECT_PATH}
$ cd ${PROJECT_PATH} && go test ./... -cover
pkg/registryclient/registryclient.go:12:2: cannot find package "github.com/tomnomnom/linkheader" in any of:
/go/src/gitlab.com/zerok/container-inventory/vendor/github.com/tomnomnom/linkheader (vendor tree)
/usr/local/go/src/github.com/tomnomnom/linkheader (from $GOROOT)
/go/src/github.com/tomnomnom/linkheader (from $GOPATH)
ERROR: Job failed: exit code 1