Updated gitignore.
Merge branch 'master' of https://github.com/michaldudek/Foundation

# By Michał Dudek (10) and Wojtek Zalewski (1)
# Via Michal Dudek (1) and Wojtek Zalewski (1)
* 'master' of https://github.com/michaldudek/Foundation:
  Added ArrayUtils::only method to pull subset of items from an array
  Noting special case for glob().
  Better PHPDocs in StringUtils.
  More docs.
  Improved PHPDocs in ArrayUtils.
  Documented exceptions.
  More updated PHPDocs.
  Improved PHPDoc's on MagicObject, Cipher and Hasher.
  Improved PHPDoc for LogLevels.
  Updated README and some meta information.
  Tweaks to docs and descriptions.