CreateIndexes::executeCommand() need not return anything
CreateIndexes::executeCommand() need not return anything

mongodb/mongo-php-library,jmikola/mongo-php-library-prototype,derickr/mongo-php-library-prototype,mongodb-labs/mongo-php-library-prototype,jmikola/mongo-php-library,mongodb/mongo-php-library,mongodb/mongo-php-library,10gen-labs/mongo-php-library-prototype,mongodb/mongo-php-library,jmikola/mongo-php-library,derickr/mongo-php-library,jmikola/mongo-php-library,derickr/mongo-php-library,jmikola/mongo-php-library