add new engine and state structures, begin refactoring
continue refactoring
continue refactoring
continue refactoring
continue refactoring
continue refactoring
adding stog_blocks
compile
compile and run html and blocks modules
fix caching of stog structure
add profiling and debug
debugging and fixing
fix in level computation
introduce make_module funs to create engine modules
add engine registration
fix stog plug and plugins
fix use of main_: use dummy_ in base rules
rename engine into module
level 2 message indicating module initialization
some site- rules always available in base environment