- Introduced a new trace facility

- Fixed performance problems in many protocol drivers.


SKIPPED:
	psi/julprot.c
	psi/phytron.c
	psi/pmacprot.c
	psi/polterwrite.c
	psi/spss7.c

sicsutil.h

@@ -14,4 +14,13 @@ double DoubleTime(void);
 /* returns time since epoch in seconds
    the resultion is machine dependent, but mostly better than msec */
 
+/**
+ * returns a checksum for data
+ *  /param data pointer to the data to checksum
+ *  /param len The length of data
+ *  /return a checksum
+ */
+unsigned short fletcher16( char *data, size_t len);
+
+