Merge pull request #8 from Ferada/fix-read-status-code

Handle error response when reading a file.

client.go

@@ -261,7 +261,12 @@ func (c *Client) ReadStream(path string) (io.ReadCloser, error) {
 	if err != nil {
 		return nil, newPathErrorErr("ReadStream", path, err)
 	}
+	if rs.StatusCode == 200 {
 		return rs.Body, nil
+	} else {
+		rs.Body.Close()
+		return nil, newPathError("ReadStream", path, rs.StatusCode)
+	}
 }
 
 func (c *Client) Write(path string, data []byte, _ os.FileMode) error {