Prevent list() from generating a NOTICE warning on responses with empty an body.
Prevent list() from generating a NOTICE warning on responses with empty an body.

doctrine/orientdb-odm,ruleant/orientdb-odm,ruleant/orientdb-odm,Krienas/orientdb-php-odm,Krienas/orientdb-php-odm,doctrine/orientdb-odm,orientechnologies/orientdb-php-odm,orientechnologies/orientdb-php-odm