Merge pull request #22 from pallotron/master

Actually return an error for unknown symbol

Author: ackleymi

quote/client.go

@@ -2,6 +2,7 @@ package quote
 
 import (
 	"context"
+	"fmt"
 	"strings"
 
 	finance "github.com/piquette/finance-go"
@@ -62,6 +63,10 @@ func GetHistoricalQuote(symbol string, month int, day int, year int) (*finance.C
 func Get(symbol string) (*finance.Quote, error) {
 	i := List([]string{symbol})
 
+	if i.Count() == 0 {
+		return nil, fmt.Errorf("Can't find quote for symbol: %s", symbol)
+	}
+
 	if !i.Next() {
 		return nil, i.Err()
 	}