Add TRACE, debug::tracer
Cleanup
Implement options available during parsing
Add missing typedef
Factor out base_options
Refactor value_facade into base_value
Refactor begin/end into to_range
Remove adapter::equal
Move adapters to own namespace
Move base_value to right namespace
Fold static django loader into the engine
Cleanup
Make base_binding noncopyable
Fix ptree adapter
Cleanup
Make template noncopyable
Improve text::space
Make base_options noncopyable
Cleanup
Add to future work