v5.0.0 - Nueva GRE

What's Changed

• Guia de Remisión 2022 (XML) by @giansalex in #206
• Guia correcciones by @giansalex in #207
• Fix typo by @giansalex in #208
• PHP 7.4 by @giansalex in #209
• add reference attribute to cdr response model and set reference to Do… by @dlopez525 in #211
• Incluir link para QR (Guia) by @giansalex in #212
• GRE API by @giansalex in #213
• Fix version 5 by @giansalex in #214
• GRE mejoras by @giansalex in #215
• Fix cpe endpoint by @giansalex in #217
• Corregir formato de factor en descuentos by @giansalex in #218
• Complete v5 by @giansalex in #221

Full Changelog: v4.3.4...v5.0.0