New Registration Email 2.2.1

• Ensure IP information info in emails uses the full canonical URL instead of a relative URL

• Require php 7+
• Require Xenforo 2.1+
• Now depends on Standard Library by Xon
• Confirm XF2.2+ support
• Allow emailing to multiple arbitrary email addresses instead of just a single.

• When "Receive an email when someone is pending approval" is set, do not email a new user notification if the user confirms their email

• Include signature/website fields in email

• Add missing phrase
• Fix ip address/language/user agent not being pushed into email

• Fix Signup Abuse Detection & Blocking support

• Signup Abuse Detection & Blocking support, recommended as XF does not log spam trigger records for non-moderated signups
• Display ip/hostname using native XF2 template filtering
• Capture 'accept-language' header presented during signup and include during registration
• Correctly capture user agent

• Fix new registration emails when a signup uses an external provider (ie google)

• Support "Enable Email Confirmation" & "Enable Manual Approval" both being set

• Minor code cleanup
• Add "Log New Registration email debug statements" debug option (only available when site is in debug mode)