Resolve "Report non-CDB exception in logs in FastClient"

Closes #38 (closed)

Intention

Extend exception report for non-CDB exceptions so that it is easier to troubleshoot non-CDB errors.

Solution

1. This update logs stack dump in case of a non-CDB exception in the class FastClient.

2. This update adds missing message arguments.

3. This update restores FastClient unit tests.

4. This update corrects a test DB health check which fails.

Test

• This update was tested using unit tests.