[Aleph rest-dlf connector] Fixed wrong problem description within LookupUserService
Made MaxItemPreparationTimeDelay within LocalConfig being automatically initialized to 0 when constructor is called
Moved AlephUser initialization within RestDlfConnector in lookupUser method into AlephUserHandler's constructor
Renamed all booleans in AlephLookupRequestHandler used to determine which element is being parser to literally same name as parsed elements are having
Started refactoring of AlephLookupRequestsHandler
[Aleph rest-dlf connector] Repaired parsing hold queue length in looking up requests - both LookupRequest & LookupUser's RequestedItems
Renamed booleans used within AlephLookupRequestsHandler to names of elements being parsed
[Aleph rest-dlf connector] Repaired parsing unique AlephItemId within LookupUser's RequestedItems using AlephLookupRequestsHandler