gemspec: Update seo-tag gem to use latest versions. (#47)
gemspec: Update seo-tag gem to use latest versions. (#47)


marcosramon/marcosramon.github.io,mmistakes/jekyll-theme-basically-basic,marcosramon/marcosramon.github.io,marcosramon/marcosramon.github.io,mmistakes/jekyll-theme-basically-basic,mmistakes/jekyll-theme-basically-basic