move curl_object actions to rep class * urlwrite.cc (class curl_object): Move curl actions to curl_object_rep class. Forward all non-refcount actions to rep class. (mput_directory): Move to curl_object_rep class. Create wrapper in curl_object_class. (getallfiles): Move to curl_object_rep_class, renaming to mget_directory. Create wrapper in curl_object class. (setopt): Delete macro. (SETOPT, SETOPTR): New macros. Return on error.

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