Ensure creation date is never later than revision date#163

timvink merged 2 commits intomastertimvink/mkdocs-git-revision-date-localized-plugin:masterfrom

111-if-a-file-has-no-git-logs-use-the-last-modified-timestamp-instead-of-the-currenttimvink/mkdocs-git-revision-date-localized-plugin:111-if-a-file-has-no-git-logs-use-the-last-modified-timestamp-instead-of-the-currentCopy head branch name to clipboard