Fixes a few logical issues and order of op

client.go

@@ -833,12 +833,12 @@ func (c *client) Visit(url string) {
 		}
 	case "gemini":
 		capsule, err := gemini.Visit(u.Host, u.Port, u.Resource, &c.Certs)
-		go saveConfig()
 		if err != nil {
 			c.SetMessage(err.Error(), true)
 			c.DrawMessage()
 			return
 		}
+		go saveConfig()
 		switch capsule.Status {
 		case 1:
 			c.search("", u.Full, capsule.Content)

gemini/gemini.go

@@ -113,7 +113,7 @@ func Retrieve(host, port, resource string, td *TofuDigest) (string, error) {
 	// the hostname on the certificate(s) from the server
 	// is the hostname we have requested
 	connState := conn.ConnectionState()
-	if len(connState.PeerCertificates) < 0 {
+	if len(connState.PeerCertificates) < 1 {
 		return "", fmt.Errorf("Insecure, no certificates offered by server")
 	}
 	hostCertExists := td.Exists(host)