fix ssh tunnel connection handling and closing

[danvergara]

Fix ssh tunnel connection handling

Description

This PR fixes a bug addressed on #205 and it had to do with the way the ssh tunnel connection was handled. I rushed up the release of this feature and did not QA'd it too much and I did not handle the connection properly.

Fixes #205

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

I tested this bugfix against the services listed on the ssh related compose file

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have checked my code and corrected any misspellings