Update README.md

* Added new files model.php & klout.php
* Added missing force.php
* Updated "hour" to "day" for cronjob time; given that an update now takes 1 call per person, and only 10 calls max (5 calls effective in this code) are made, only 300 updates would happen in an hour - not even enough for list.txt
Merge pull request #6 from matthiasmullie/master

Update README.md