Mobilepay Bugfixes

What's Changed

• 📦 Fix MpsTransaction Syntax Error by @nicknick-io in #1
• remove method that does not exists (sync to forked repo) by @RasmusPJustesen in #2
• Attempt to fix missing payment_type and clarify the exception involved by @nicknick-io in #3
• Fix error_state validation in transaction models by @RasmusPJustesen in #4
• Fix validation error messages in Transaction class by @RasmusPJustesen in #5
• Add EMV token payment type to Transaction model by @RasmusPJustesen in #6

New Contributors

• @nicknick-io made their first contribution in #1
• @RasmusPJustesen made their first contribution in #2

Full Changelog: 1.0.14...1.0.15