v2.0.1

Optimized features and fixed bugs as follows:

1. Fixed the bug that could not split the translation by ID properly.
2. Fixed the bug that could not handle incomplete read of the stream response.
3. Fixed the bug where the auto-switch API Keys feature did not work properly.
4. Fixed the bug where the original was not removed when turned on "translation only".
5. Fixed the bug that could not remove the Ruby Fallback Parenthesis element.
6. Fixed the bug where translation engines were breaking the glossary markup.
7. Fixed the bug that could not filter out empty content.
8. Optimized the cache and glossary features.