Better PHPDoc for AbstractQuery cache methods
Better PHPDoc for AbstractQuery cache methods

Updated useResultCache() and setResultCacheLifetime() docs to clearly state $lifetime is measured in seconds;
Added description to useResultCache()'s params. Renamed $bool => $useCache.
Majkl578/doctrine2,TomasVotruba/doctrine2,PowerKiKi/doctrine2,localheinz/doctrine2,stof/doctrine2,holtkamp/doctrine2,TomasVotruba/doctrine2,aivus/doctrine2,localheinz/doctrine2,stof/doctrine2,holtkamp/doctrine2,PowerKiKi/doctrine2,aivus/doctrine2,Majkl578/doctrine2,lcobucci/doctrine2,lcobucci/doctrine2