Integrate CCXT library (Project Name: crypto_signal)

[marchowardbegins]

This will allow us to get data from multiple exchanges so that we can run backtesting using the Google Trends predictive model.

Direct link to our crypto_signal repo Issue:
lauramayol/crypto_signal#6

[pegahcarter]

Just sent a pull request to add two functions with CCXT

[pegahcarter]

@marchowardbegins please close this issue, this is spam.