Add PHPLOC to code analysis section

README.md

 * [Barbushin PHP Console](https://github.com/barbushin/php-console) - Another web debugging console using Google Chrome.
 * [PHPDBG](http://phpdbg.com/) - An interactive PHP debugger.
 * [Scrutinizer](https://scrutinizer-ci.com/) - A web tool to scrutinise PHP code.
+* [PHPLOC](https://github.com/sebastianbergmann/phploc) - A tool for quickly measuring the size of a PHP project.
 
 ## Build Tools
 *Project build and automation tools.*