Assign the result of format_changelog to the changelog writer
Also, rename format_changelog to changelog_formatter since this
method does not format the changelog when called, but rather returns a
Proc that takes IO and writes the formatted changelog.
Assign the result of
format_changelog
to the changelog writerAlso, rename
format_changelog
tochangelog_formatter
since thismethod does not format the changelog when called, but rather returns a
Proc that takes IO and writes the formatted changelog.