/*
 * call-seq:
 *   easy.reset                                      => Hash
 *
 * Reset the Curl::Easy instance, clears out all settings.
 *
 * from http://curl.haxx.se/libcurl/c/curl_easy_reset.html
 * Re-initializes all options previously set on a specified CURL handle to the default values. This puts back the handle to the same state as it was in when it was just created with curl_easy_init(3).
 * It does not change the following information kept in the handle: live connections, the Session ID cache, the DNS cache, the cookies and shares.
 *
 * The return value contains all settings stored.
 */
static VALUE ruby_curl_easy_reset(VALUE self) {