Update logging utils

- Create processing function
- Create question function
- Update all functions to use icons
- Update error function to include exit with status code

Issue: #11
Update install script to include verbose logging

- Use e_process for anything that runs a command
- Use e_success for the end of a successful block of code
- Use e_warning for anything may destructively change settings
- Use e_question for any user-requested information

Issue: #11
Update print functions to output to console

I can't find a way to format the printf command and strip out the
formatting for the console so right now I have 2 statements within each
print function that prints to the console as well as the stdout.

Issue: #11