Merge branch 'release/1.6.1'
Left GetPaymentMethods, GetPaymentAddress and HostedPayment for later
Merge branch 'feature/HostedRequest_class' into develop
refactored configureExcludedPaymentMethods() in CardPayment, DirectPayment
calculateRequestValues now sets request['excludePaymentMethods']
bumped version, reminder on end user error handling procedure for 2.0 relese
updated documentation on HostedResponse error codes
merge hotfix 1.6.2
tests passing with remade calculateRequestValues()
moved ipaddress, clientordernumber into calculateRequestValues from xmlbuilder
documented PayPagePayment
documented PaymentMethodPayment
calculateRequestValues now adds excluded payment methods in the relevant class
documented hostedxmlbuilder
Merge branch 'feature/harmonise_build_HostedPayment_request' into develop