Block and Unblock should be `post` calls

src/lib.rs

@@ -250,8 +250,8 @@ impl<H: HttpSend> MastodonClient<H> for Mastodon<H> {
         (get) get_account: "accounts/{}" => Account,
         (post) follow: "accounts/{}/follow" => Relationship,
         (post) unfollow: "accounts/{}/unfollow" => Relationship,
-        (get) block: "accounts/{}/block" => Relationship,
-        (get) unblock: "accounts/{}/unblock" => Relationship,
+        (post) block: "accounts/{}/block" => Relationship,
+        (post) unblock: "accounts/{}/unblock" => Relationship,
         (get) mute: "accounts/{}/mute" => Relationship,
         (get) unmute: "accounts/{}/unmute" => Relationship,
         (get) get_notification: "notifications/{}" => Notification,