IEX API Sunset Fix

This addresses the majority of breakage with the IEX public API sunset.

Tests have to be run with the IEX_API_TOKEN env var.

v1.4.0

[FEATURE] Added new stats command to obtain stats about a given tickers underlying company.

v1.3.2

Merge pull request #37 from thorfour/logging

fixed auto-complete typo panicf

v1.3.1

Merge pull request #36 from thorfour/logging

Added logging and updated vendor dependencies

v1.3.0

Merge pull request #35 from thorfour/certs_dir

Allow cert directory to be configued via flag

v1.2.0

Merge pull request #34 from thorfour/latestPrice

Use latestPrice instead of iexRealtimePrice