Exiting with 0 on error

[keithmendozasr]

Describe the bug
When an issue is encountered that terminates the program; the exit code is 0.

To Reproduce
Steps to reproduce the behavior:

1. Create a target file that contains a record file path that includes a non-existent directory
2. Start tlslookieloo using the target file
3. Run the target client
4. Observe tlslookieloo exits
5. Observe the error log stating the record file can't be created.
6. Print the exit code and observe it's zero.

Expected behavior
tlslookieloo should exit with non-zero code when an error occurs that terminates the program.

Console or log output
N/A

Environment:

• OS: Debian
• Version 10

Attachments
N/A