Release v0.2.5
fixing decodeNotNullMark() that causes an exception (#40) fixing decodeNotNullMark() that causes an exception ### What's done: - fixing bug and changing the logic for Nullable fields - adding custom exceptions
fixing decodeNotNullMark() that causes an exception (#40) fixing decodeNotNullMark() that causes an exception ### What's done: - fixing bug and changing the logic for Nullable fields - adding custom exceptions