+ Fixed str2anlist handling of undefined attrs/OCs (ITS#4854)
+ Fixed zero-length IA5string handling (ITS#4823)
+ Fixed acl set minor typo (ITS#4874)
+ Fixed ldapmodify to use correct memory free functions (ITS#4901)
+ Fixed slapd syncrepl delta-sync modlist free (ITS#4904)
+ Added slapd syncrepl retry logging (ITS#4915)
+ Fixed slapd ldapi:// credential issue (ITS#4893)