KeyValue Parser: Ability to change key/value separator character

Require for the .to template
Fix querying of second level TLDs such as nhs.uk
Update README for .gr
Mention server name in "no data read" exceptions
Allow rate limited servers to be manually added to the list
Additional whois servers
Merge remote-tracking branch 'origin/template_fixes'
Merge remote-tracking branch 'origin/ratelimit_exception_namespace'
Merge remote-tracking branch 'origin/new_templates'