Results 2 issues of Laura Paakkinen

After upgrading to 1.12.0 our code started to fail with: ``` TypeError: Failed to open TCP connection to https://fonts.googleapis.com/css?family=Open+Sans:400,700:80 (no implicit conversion of URI::HTTPS into String) ``` ``` File /usr/local/lib/ruby/2.7.0/net/http.rb:960...

Fixes #280 Net::HTTP does not support passing headers until ruby 3.