autoload dev fixtures with composer require-dev
simplify test config and dir structure
add mockery/mockery dependency #44
create CacheInterface #44
add failing cache reader integration test #44
pass cache integration test #44
add failing concrete cache implementations #44
add FileCache and MemoryCache implementations #44
add cache benchmarks #44
usage: php test/benchmark/CacheBenchmark.php -r
add xdebug warning to cache benchmark #44