Added PHP-DI for benchmark 3
Updated to PHP-DI 3.0
Added benchmark 1 for PHP-DI
Added benchmark 2 for PHP-DI
Added benchmark 5 for PHP-DI + Loops for better benchmarks
Removed PHP-DI from benchmark 5
Called the "reset" method of the container in the PHP-DI benchmarks
Merge pull request #1 from mnapoli/master

Merged improved benchmarking and addition of PHP-DI to qualifying benchmarks