Add -C/-CC/-R referral chasing to clients project.

	-C chase with prompting
	-CC chase without prompting
	-R don't chase
with defaults dependent upon authentication method used.
rebind callback also needs to be extended to support SASL and
provide information for prompting purposes.  Good intro project.

doc/devel/todo

@@ -27,6 +27,7 @@ OpenLDAP 2.0 Projects
 		schema rules <jsanchez@openldap.org>
 	clients
 		update to use ldap_*_ext routines
+		add -C/-CC/-R referral chasing options
 	SLAPD/SLURD Admin Guide <willb@openldap.org>
 
 Other projects: