Release v0.0.2

• added text-stats filter
• stream writers accept iterable of data records now as well to improve throughput
• text_utils.apply_max_length now uses simple whitespace splitting instead of searching for nearest word boundary to break a line, which results in a massive speed improvement
• fix: text_utils.remove_patterns no longer multiplies the generated lines when using more than one pattern
• added remove-patterns filter
• pretrain and translation text writers now buffer records by default (-b, --buffer_size) in order to improve throughput
• jsonlines writers for pair, pretrain and translation data are now stream writers