changegroup: use changelogrevision()
Using offsets for accessing changelog entries isn't very readable.
As a bonus, changelog.changelogrevision() also accepts a revision,
so we don't need to perform the inline node resolution either.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true