Merge pull request #16 from ThomasGirard/master

Replaced call to split (deprecated since php 5.3.0) to preg_split.
Merge pull request #17 from ThomasGirard/master

preg_split, unlike split, takes a pattern with slashes.
[Fix] Spanifying words breaks things

Fixed issue #18
Merge branch 'master' of https://github.com/frdmn/pierc