timeout for the download procedure
a proxy server. can be null
a proxy authentication (user:pwd). can be null
a certificate for ssl authentication connection
the password of certfile
CA certificate to verify peer against. can be null
active/deactive the peer check
an authentication login (user:pwd). can be null
a user_agent. can be null
a pointer to a new allocated mrss_options_t struct
This function creates a options struct.