Updated.

doc/plustek/Plustek-USB.changes

@@ -1,8 +1,13 @@
-Plustek.changes (2004-05-07) Gerhard Jäger <gerhard@gjaeger.de>
+Plustek.changes (2004-16-07) Gerhard Jäger <gerhard@gjaeger.de>
 ===============================================================
 
 Note: All other not mentioned builds have been never released.
 
+V 0.48-3 (2004-16-07)
+---------------------
+- improved autowarmup feature
+- improved speedup feature
+
 V 0.48-2 (2004-05-07)
 ---------------------
 - fixed binary mode for CanoScan D660U