fixed bug when handling unix socket-based connections
fixed bug when handling unix socket-based connections

cesarsmaniotto/arangodb-php,frankmayer/ArangoDB-PHP,diabl0/arangodb-php,diabl0/arangodb-php,arangodb/arangodb-php,frankmayer/ArangoDB-PHP,arangodb/arangodb-php,cesarsmaniotto/arangodb-php