v2.19.1

Changes (since v2.18.0):

• Pinned tickers - an option for currency pairs to enable small box with it's price and small chart in the main window. It also helps to access exchange quickly just by clicking on the box.
• Alert blocks - an option to block price alerts for specified currency pair and specified time.
• Currency pairs search interface: disabled auto-hiding, added auto-updating when currency pairs are refreshed.
• Changed time frame for mini charts to 4 hours.
• Alerts conditions - enable "cryptonose liquidity" by default (helps avoiding many unnecessary alerts).
• Fixed selecting currency pairs for Huobi.
• Other minor fixes.