added the possibility to specify a different class from DateTime in the Caster
added the possibility to specify a different class from DateTime in the Caster

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