Log Message:
py-ldap3: updated to 2.8

2.8:
- new feature: SafeSync strategy (SAFE_SYNC) for using a synchronous Connection \ 
object in a multi-threading program
- new feature: LDIF_LINE_LENGTH for specifying line length wrapping in \ 
ldif-content output (default to 78 as per RFC 2849)
- fixed requirements for pyasn1
- fixed regression for ldapi connections
- fixed issue with lazy connection requesting server info on every operation
- fixed searching by objectGUID in hex format (thanks Matt)
- added iso_format parameter to utils.format_json to return dates in ISO format \ 
(thanks Hugh)
- fixed issue with Referral attributes not returned by the referral server \ 
(thanks Nazarii)
- fixed lost error message in auto_bind (thanks cfelder)
- fixed delete_old_dn in mock connections (thanks kpinc)
- fixed a ResourceWarning with lazy connections
- fixed entry_to_json() that in python2 modified the original entry value \ 
(thanks Dirk-Jan)
- tests desnt' raise Exception if real server is not present