Release v2.0.0-Beta8

Changelog

🧰 Tasks

• ff8d4d8 Agregar constructor sin argumentos para documentos (#208), closes #208

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• 9b86adc 🏁 Releasing version 2.0.0-Beta8
• 62e8445 ⬆️ Next version 2.0.0-SNAPSHOT

Contributors

We'd like to thank the following people for their contributions:
Carlos E. Feria Vila, David Nilo, Project-Openubl Bot