Changes to List portout requests

the response property meta/page_number became optional for the status 200

the response property meta/total_pages became optional for the status 200

the meta/page_number response's property type changed from integer to number, and format from int32 to integer for status 200

the meta/page_size response's property type changed from integer to number, and format from int32 to integer for status 200

the meta/total_pages response's property type changed from integer to number, and format from int32 to integer for status 200

the meta/total_results response's property type changed from integer to number, and format from int32 to integer for status 200

deleted the query request parameter page[number]

deleted the query request parameter page[size]

added the new optional query request parameter page