Initialise plugin with required structure.
Create structure to deal with Apple Pay. Despite being ready to deal with any kind of dictionary, provide an accelerator to read the configuration from the main bundle.
Add Nimble and Quick through Cocoapods to use BDD for unit testing.

Add verification for wallet and payment availability. Payment verification is enhanced by also checking it against the configured payment networks and supported capabilities.

Configure the missing payment details and, by mixing it with the configuration info, trigger the payment request.

Add DocC documentation.
Add empty value check and mandatory fields when fetching configuration properties.

Fix error when verifying payment setup on ReadyToPay method. If some payment network or merchant capabilities are missing, return the associated error.

Clean errors and its codes and messages accordingly.
New OSPMTContact struct that allows the management of the correct shipping and billing information to use on a payment request. This is required due to a limitation on OutSystems related with nullable lists.
Change the OSPMTConfigurationDelegate to OSPMTConfigurationModel, in order to comply with the new OutSystems structure.
Clean code (privatise local methods and make OSPMTPayment's delegate property weak, in order to avoid possible retain cycles).