added/update examples and core lib

Core Lib - I removed content under the template, replacing it with
setting the tag to a function the function is called and it's return
value is processed.
Core Lib - Removed $template in favor of $tz
Core Lib - Added $tz special attribute to handle looping and sub data
handling.
Examples - updated to match changes in core lib.
updated benchmarks, readme and added logging disabled

Core Lib - Added logging flag so you can disable logging (it defaults
to logging)
Examples - Updated based on changes to Core Lib
Readme - Added TODOs