Add support for int.int unix timestamps

envitron/bind.go

@@ -43,5 +43,5 @@ func (b jsonBinder) Bind(i interface{}, c echo.Context) error {
 	if err == io.ErrUnexpectedEOF || err == io.EOF {
 		return jsonError{`Unexpected EOF`}
 	}
-	return jsonError{`Unknown error occurred while parsing JSON`}
+	return jsonError{`Unknown error occurred while parsing JSON. ` + err.Error()}
 }