Merge pull request #13 from gwinn/master

add responsible to dialog struct

v1/types.go

@@ -403,6 +403,7 @@ type (
 		BeginMessageID  *uint64      `json:"begin_message_id"`
 		EndingMessageID *uint64      `json:"ending_message_id"`
 		Chat            *Chat        `json:"chat"`
+		Responsible     *Responsible `json:"responsible"`
 		CreatedAt       string       `json:"created_at"`
 		ClosedAt        *string      `json:"closed_at"`
 	}