Better error handling

[danieldelcore]

Cmd + C produces this error

Error: Promise rejected with value: ''
    at process.<anonymous> (/Users/ddelcore/.nvm/versions/node/v12.3.1/lib/node_modules/commitpal/node_modules/hard-rejection/index.js:15:12)
    at process.emit (events.js:200:13)
    at processPromiseRejections (internal/process/promises.js:165:18)
    at processTicksAndRejections (internal/process/task_queues.js:90:32)