remove unused code
prevent fround() from changing integer into double. fixes #92
update expected results
test for bug 92
Added an atomic version of file_put_contents() and use it to create the cached php files.

Writing php code in a non-atomic way can corrupt apc op-code caches.
Merge branch 'master' of git://github.com/oyejorge/less.php
use while loop to simplify regular expression. possible fix for #55
Recursively create the cache directory.
Merge branch 'master' of git://github.com/oyejorge/less.php