obshashrange: cleanup 'valid' life cycle
- reset is only called when we detect a strip, the on disk data are invalid,
- after a reset, we should not keep using the data base connection,
- after a write, the on disk data are valid.
all: tutorials/tutorial.rst static/logo-evolve.ico
sphinx-build . ../html/
tutorials/tutorial.rst: tutorials/tutorial.t
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico