Changes to Export messages

the query request parameter status was restricted to a list of enum values

added the new enum value accepted to the query request parameter status

added the new enum value delivered to the query request parameter status

added the new enum value dlr_expired to the query request parameter status

added the new enum value expired to the query request parameter status

added the new enum value pending to the query request parameter status

added the new enum value rejected to the query request parameter status

added the new enum value sent to the query request parameter status

added the new enum value undelivered to the query request parameter status

for the query request parameter status, the type was generalized from no type to string

added the non-success response with the status 401

the endpoint scheme security bearerAuth was added to the API

api operation id Getallmessages removed and replaced with sms_and_mms_messages_list_all

endpoint added