btc-7.4.5: Migrate Bitmax to Ascendex.

Fix ZB Exchange.
Remove LakeBTC.

7.4.4

Added NDAX.
Removed Braziliex.

btc-7.4.3: Added Pocketbits exchange.

Added Polygon coin.
Removed Bitcoin Average.

btc-7.4.2: Added TradeOgre

Fixed Coinegg exchange
Updated partially supported coins