Incorporate the following changes from 0.9.8-dev:

Incorporate the following changes from 0.9.8-dev:

2003-04-04 17:10  levitte

	* apps/: apps.c (1.72), apps.h (1.56), ca.c (1.135), x509.c (1.82):
	  Convert save_serial() to work like save_index(), and add a
	  rotate_serial() that works like rotate_index().

2003-04-03 20:07  levitte

	* apps/: apps.c (1.69), ca.c (1.130): Conditionalise all debug
	  strings.

2003-04-03 18:33  levitte

	* apps/apps.c (1.68), apps/apps.h (1.55), apps/ca.c (1.129),
	  apps/ocsp.c (1.31), apps/openssl.cnf (1.24), apps/x509.c (1.80),
	  CHANGES (1.1139): Make it possible to have multiple active
	  certificates with the same subject.