use 1d
modify class
fix readme
add more grammer support
do not track config.py
add merge:
do not track config.py
fix gitignore
fll readme
fix bug
add groupby support
add doc for groupby
mv about to meta
fix app.py
fix .gitignore; add debug option
use cache if in debug mode
rename
add docs for grammar
add .swp to .gitignore
refactor stylesheet