Fix setting password

We were not acting on the error returning, and the sql sintax was wrong.

lib/database/users.go

@@ -74,8 +74,8 @@ func (db *pgDB) SetPassword(name string, pass string) error {
 	if err != nil {
 		return err
 	}
-	_, err = db.sql.Model(user{}).
-		Set("pass = ?, salt = ?", hash, salt).
+	_, err = db.sql.Model(&user{}).
+		Set("password = ?, salt = ?", hash, salt).
 		Where("username = ?", name).
 		Update()
 	return err

lib/user.go

@@ -79,8 +79,13 @@ func settingsHandler(h handler) {
 		case pass1 != pass2:
 			h.sess.Notify("Passwords don't match!", "The new password and the confirmation password don't match. Try again", "error")
 		default:
-			h.db.SetPassword(h.sess.User, pass1)
-			h.sess.Notify("Password updated!", "Your new password is correctly set.", "success")
+			err := h.db.SetPassword(h.sess.User, pass1)
+			if err != nil {
+				log.Warn("Can't update password for user ", h.sess.User, ": ", err)
+				h.sess.Notify("Password error!", "An error has ocurred updating the password in the database. Sorry.", "error")
+			} else {
+				h.sess.Notify("Password updated!", "Your new password is correctly set.", "success")
+			}
 		}
 		h.sess.Save(h.w, h.r)
 	}