Implement pause/unpause
Increased API_VERSION to 1.12, since that is the earliest Doocker API version that these operations exist
First try at recording & editinv vcr cassetes for pause/unpause
Remove insert since this was removed with v1.12

https://docs.docker.com/reference/api/docker_remote_api/
Remove insert spec
Fix long lines and camelcase keys
Rerun base VCRs
Rerecord Container VCRs
Update Docker Image specs
Merge pull request #154 from tlunter/pause_unpause

Pause unpause