renderDynamicAttributes, use re in process, now i think token maybe better, so give up
token attributes string produced by MtHaml, use nikic/PHP-Parser, i think it's too complicatied, so give up
Revert "token attributes string produced by MtHaml, use nikic/PHP-Parser, i think it's too complicatied, so give up"

This reverts commit 1b4ff86b0981b6e16e8277d192cadc4a8e26c2aa.
add reduce_runtime feature, and split README.md