fix typo
convert e function to echo function.
Merge pull request #201 from genzouw/genzouw-feature

convert e function to echo function.
Merge pull request #200 from hamaco/fix/empty-emtpy

fix typo
add kuma favicon.
refactor (PhpStorm)
Merge pull request #203 from hamaco/refactor

refactor (PhpStorm)
Merge pull request #202 from hamaco/feature/add-favicon

faviconをkumaにしてみた