Fix typo
Remove trailing spaces
Improve README
Changed the version number of first line.
Update spell.txt
Fix indent
Translate spell.jax
Update intro.jax
Translate spell.jax
improve translation
Translate spell.jax
Translate spell.jax
Improve translation
Improve translation
fix line wrapping

禁則処理
fix typos

Also add missing tags and fix translation.
translate if_pyth.jax

Add missing part from if_pyth.txt.
Translation is not completed yet.
translate if_pyth.jax
translate spell.jax
improve translation