Merge pull request #33 from upsight/feature/globaldefaultyaml

Feature/globaldefaultyaml

Switches to using go modules

Merge pull request #32 from upsight/feature/envpropagation

Fixes parent env merging from parent to child

Merge pull request #31 from upsight/bugfix/sshcallback

Fixes missing host key callback for newer golang.org/x/crypto/ssh

Bump release version to 1.1.1

Updates the README.md with an example of extending

[master] rename output binary

[master] fix readme install path, add default version