update readme remove old staging server into new sandbox
CAPI-376 add implementation of AuthenticateCharityAccount resource into PHP SDK
CAPI-376 add implementation for GetEventsByCharityId into PHP SDK
CAPI-376 add implementation for GetCharityDonations resource into PHP SDK
add HTTP delete method to curl wrapper
CAPI-376 add implementation for DeleteFundraisingPageAttribution into PHP SDK
CAPI-376 add implementation for CharityUpdatefundraisingPageAttribution into PHP SDK
add gitignore for php
delete unused model
CAPI-376 add implementation for ChairtyAppendFundraisingPageAttribution resource into PHP SDK
CAPI-376 add implementation for CharityGetFundraisingPageAttribution
CAPI-376 implementation of CharityCategories for PHP SDK
CAPI-376 add ListCountries resource to PHP SDK
Merge branch 'update-countries-resources' into integration