Merge pull request #48 from midoringo8823/release

update release number for pulling the release
Don't show "more" legend item when showmax is 0 (default)
Merge pull request #49 from midoringo8823/legend_fix

Don't show "more" legend item when showmax is 0 (default)
Merge pull request #50 from midoringo8823/release

update version number for a legend bug fix merger earlier
Bump the version number up 0.0.1 because the last release is from the wrong branch.