Log Message:
py-ldap3: updated to 2.4.1

2.4.1:
- tested against pyasn1 from version 0.1.8 up to version 0.4.2, Python 2.6.6, \ 
Python 2.7.14, Python 3.6.4
- auto_encode parameter is honored when binding
- fixed organizationalName definition in oid
- automatic byte to int conversion working again
- mock connection searchs correctly escape filters
- fixed bind with not unicode characters in Python 2
- extended filter attributes should work again with pyasn1 0.4.1
- fixed error when reading incomplete server info
- NOT keyword properly handled in dit_content_rules
- operational attributes are prorerly returned in Cursor whit \ 
get_operational_attributes = True
- start_tls() is properly executed with AD when raise_exceptions=True
- reopening a Connection honours auto_bind setting
- an attribute returned with no value from a flaky server doesn't raise \ 
exception anymore
- pwdLastSet in AD is valid only for -1
- fixed docs for ldifProducer
- fixed monkeypatching of pyasn1 for Boolean Value in BER encoding
- check_names was not honoured while validating attribute values
- locks refactored in Connection and in Async strategy
- socket properly closed when checking availability of an invalid server