Feature: Add support to check whether an exchange supports automatic currency pair updates and if they don't, show a warning if the last currency pair update is >= 30 days

Also fix race condition in config get/set functions

exchanges/coinut/coinut.go

@@ -56,6 +56,7 @@ func (c *COINUT) SetDefaults() {
 	c.ConfigCurrencyPairFormat.Delimiter = ""
 	c.ConfigCurrencyPairFormat.Uppercase = true
 	c.AssetTypes = []string{ticker.Spot}
+	c.SupportsAutoPairUpdating = true
 }
 
 // Setup sets the current exchange configuration
@@ -80,6 +81,10 @@ func (c *COINUT) Setup(exch config.ExchangeConfig) {
 		if err != nil {
 			log.Fatal(err)
 		}
+		err = c.SetAutoPairDefaults()
+		if err != nil {
+			log.Fatal(err)
+		}
 	}
 }