Numerous updates here including: 1) improved speed of bootup and various optimizations throughout; 2) addition of $cache API var (currently just a simple string cache); 3) Add support for translating uploaded filenames so that non-ascii chars get translated to ascii equivlants rathern than just underscores (though I need to do more testing on this)so that non-ascii chars get translated to ascii equivlants rathern than just underscores (though I need to do more testing on this); 4) Various updates to ProcessPageLister and InputfieldSelector; 5) Improvements and additions to the debug timers, plus a new "Timers" section in the debug info that appears in the admin; 6) Convert Fieldtype modules to load on-demand rather than all at boot. Lots of changes in this commit so please keep an eye out for any issues and thanks for testing it out.