Fix compilation errors, mod declared as LDAPMod, but used inconsistently
as LDAPMod (but incorrectly).  Please review this change, I am not sure
I understood what was intended.

Provide human-readable syntax errors.

Provide human-readable errors.

Fix namespace contamination, some comments added.

modrdn.

someone better comes up with a solution for this replication soon!

code by mistake.

LDAP_OPT_MATCH_STRING to ldap.h and libldap/options.c.

Tag Julio for schema work.

Add #undef and other protection of macros.

inherited on accept().

Untested support for parsing attribute type definitions