client.go     | 12 +++++-------
 connection.go |  2 +-
 torrent.go    |  2 +-

diff --git a/client.go b/client.go
index 2ae3b8321858160b9e7a460d119d5d5f4b698bb7..4902a1962457177fefef38bbd650e3dbf13344fd 100644
--- a/client.go
+++ b/client.go
@@ -161,7 +161,8 @@ 	}
 	return t.Data.ReadAt(p, off)
 }
 
-// Starts the client. Defaults are applied. The client will begin accepting connections and tracking.
+// Starts the client. Defaults are applied. The client will begin accepting
+// connections and tracking.
 func (c *Client) Start() {
 	c.event.L = &c.mu
 	c.torrents = make(map[InfoHash]*torrent)
@@ -406,10 +407,7 @@ 		case peer_protocol.Request:
 			if conn.PeerRequests == nil {
 				conn.PeerRequests = make(map[request]struct{}, maxRequests)
 			}
-			request := request{
-				Index:     msg.Index,
-				chunkSpec: chunkSpec{msg.Begin, msg.Length},
-			}
+			request := newRequest(msg.Index, msg.Begin, msg.Length)
 			conn.PeerRequests[request] = struct{}{}
 			// TODO: Requests should be satisfied from a dedicated upload routine.
 			p := make([]byte, msg.Length)
@@ -455,7 +453,7 @@ 			}
 			delete(conn.Requests, request_)
 			err = me.downloadedChunk(torrent, msg)
 		default:
-			log.Printf("received unknown message type: %#v", msg.Type)
+			err = fmt.Errorf("received unknown message type: %#v", msg.Type)
 		}
 		if err != nil {
 			return err
@@ -483,7 +481,7 @@
 func (me *Client) addConnection(t *torrent, c *connection) bool {
 	for _, c0 := range t.Conns {
 		if c.PeerId == c0.PeerId {
-			log.Printf("%s and %s have the same ID: %s", c.Socket.RemoteAddr(), c0.Socket.RemoteAddr(), c.PeerId)
+			// Already connected to a client with that ID.
 			return false
 		}
 	}
diff --git a/connection.go b/connection.go
index fada33f49448e6f98c01c76fd375df007d93f04a..5c153e19b810ff0ea9e679401480c827a151f1d9 100644
--- a/connection.go
+++ b/connection.go
@@ -66,7 +66,7 @@ func (c *connection) Request(chunk request) bool {
 	if len(c.Requests) >= maxRequests {
 		return false
 	}
-	if !c.PeerPieces[chunk.Index] {
+	if !c.PeerHasPiece(chunk.Index) {
 		return true
 	}
 	c.SetInterested(true)
diff --git a/torrent.go b/torrent.go
index 08bce0b8bda99c68e2dc28bb161db806b6e59831..4f94b89bc0bb842e78c2ba907f0eeba09cab2cf8 100644
--- a/torrent.go
+++ b/torrent.go
@@ -75,7 +75,7 @@ 	for i := range t.Pieces {
 		slice.Pending = append(slice.Pending, t.PieceNumPendingBytes(peer_protocol.Integer(i)))
 		slice.Indices = append(slice.Indices, peer_protocol.Integer(i))
 	}
-	sort.Sort(sort.Reverse(slice))
+	sort.Sort(slice)
 	return slice.Indices
 }