Fix
* **index-update:** Index update method implemented ([`002e247`](https://github.com/Esukhia/pedurma/commit/002e247213b41f5830cb7e839ff23f0836aa96a2))
* **text:** Serializing only durchen and pagination annotation ([`6643938`](https://github.com/Esukhia/pedurma/commit/6643938d37e23602d875b9dfb76c133c775813e2))
* **save_text:** Saving text feature added ([`a1c9535`](https://github.com/Esukhia/pedurma/commit/a1c9535280af54acbb38bfbab35224cc867ef5ee))