2.1.18-beta3

• Fixes an issue where the internal_has_author_name/email values were incorrect [#134]
• Adds a new {{ meerkat:initials }} Antlers tag [#135]:
  • {{ meerkat:initials value="{ author:name }" }}
  • {{ meerkat:initials value="{ author:name }" separator="," }}
  • {{ meerkat:initials value="{ author:name }" separator="," only_caps="true" }}
• Adds template helpers for working with anonymous users [#133]:
  • author:has_name and author:has_email
• Adds Antlers avatar driver feature parity (with Control Panel drivers) [#136]:
  • {{ meerkat:identicon }}
  • {{ meerkat:identicon_value }}
  • {{ meerkat:jdenticon }}
  • {{ meerkat:jdenticon_value }}
  • {{ meerkat:simple_background_color }}
  • {{ meerkat:simple_foreground_color }}
  • {{ meerkat:initials_background_color }}
  • {{ meerkat:initials_background_color value="a" }}
  • {{ meerkat:initials_foreground_color }}
  • {{ meerkat:initials_foreground_color value="a" }}