Use searcher/options to get user posts/comments

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

things.go

@@ -181,6 +181,9 @@ type Comment struct {
 	ParentID  string `json:"parent_id,omitempty"`
 	Permalink string `json:"permalink,omitempty"`
 
+	Created *Timestamp `json:"created_utc,omitempty"`
+	Edited  *Timestamp `json:"edited,omitempty"`
+
 	Body            string `json:"body,omitempty"`
 	Author          string `json:"author,omitempty"`
 	AuthorID        string `json:"author_fullname,omitempty"`
@@ -198,9 +201,6 @@ type Comment struct {
 	Score            int `json:"score"`
 	Controversiality int `json:"controversiality"`
 
-	Created *Timestamp `json:"created_utc,omitempty"`
-	Edited  *Timestamp `json:"edited,omitempty"`
-
 	LinkID string `json:"link_id,omitempty"`
 
 	// These don't appear when submitting a comment