Hey

So I do not expect this pull request to be too successful but I think you should consider it.

Maybe by making a new branch for 5.3 support but basically I modified this to be php 5.3 friendly

Overview of the changes:

I tried editing a few of the doc blocks as most but gave up
I converted a good bit of code to the psr2 standard
I namespaced the project so no more requires
I added composer support (now I left the json file mostly blank, I think someone from numbers.php should add in necessary repo address, name, keywords and so on and submit to composer package list when ready
I thought about adding phpunit support but didnt, I will probably need to be done at some stage though
And updated the readme

All tests pass in this build

I think you should think about switching over to namespaces and composer and keep a separate branch from 5.2 support