ITS#1677 - cast away const warnings
ITS#1678 - unsigned char args to ctype funcs
ITS#1682 - don't redefine ldap_debug
ITS#1683 - uninitialized vars
ITS#1703 - ldo_debug initialization
ITS#1705 - unsigned testing
ITS#1706 - socklen_t args
ITS#1719 - back-tcl update (other cleanups/fixes/improvements; yet untested)
ITS#1724 - integerNormalize/integerFilter/integerIndexer bugs
ITS#1725 - libdes not required

Implement back-null (/dev/null style backend)
Cleanup some misc warnings ("%lu" format, unused/uninitialized vars,
        ambiguous operator precedence)

Kurt, please regenerate configure

Added LDAP_LOG messages

			================
Written by Hallvard B. Furuseth and placed into the public domain.
This software is not subject to any license of the University of Oslo.

Based upon patch submitted by Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>.

the logic of this check was completely reversed; in case '*' is used, on't test the regula expression

Added LDAP_LOG Messages

Added LDAP_LOG messages

Added LDAP_LOG messages

Added LDAP_LOG Messages

Added LDAP_LOG messages

fix counting twice the substitution length (caused berval to have wrong length, rejected by subsequent dnNormalize)