add .htaccess file for media/js folders; add a js folder
tabs, not whitespace
add allow_prefetch config
add a db_init function and move the running (lib_db) code at startup bits into init.php
call db_init() and otherwise move all the running code bits to the bottom of the file
comments
add *_float functions
always include lib_filter; add filter_strict to init.php
add lib_cache and lib_cache_memcache
add (re-add?) lib_auth