Merge pull request #264 from fujiwara/tagpr-from-v1.7.0

Release for v1.7.1

Merge pull request #253 from fujiwara/tagpr-from-v1.6.0

Release for v1.7.0

Merge pull request #237 from fujiwara/tagpr-from-v1.5.0

Release for v1.6.0

Merge pull request #225 from fujiwara/tagpr-from-v1.4.3

Release for v1.5.0

Merge pull request #214 from fujiwara/fix/includes-err

Embed the original error into a new error.

Merge pull request #206 from fujiwara/fix/performance

Fix/performance

Merge pull request #204 from fujiwara/fix/dump-cli

Add -dump flag to cli.

Merge pull request #203 from fujiwara/dump

add -dump flag and Dump() method.

test by 1.21 and 1.22

fix release