There is probably a better way to make the list of signals to catch
I also noticed that the agent kept dying on me when the CA was not setup
correctly with an EOF error from the ssh client
I've never used cloud SDK's before so no terraform files.
To make this work I had to use the Go 1.11 runtime as the go 1.13
runtime did not have the correct environment variables set.
I also had to use the key with PKCS#1 v1.5 padding the PSS Padding
did not work.
* sshrimp-agent and sshrimp-ca building and deploying.
* mage build system working.
* successful deploy and SSH to host.
* need to tidy up and add tests.
