https://github.com/pkieltyka/purls-ruby.git
git clone https://github.com/pkieltyka/purls-ruby.git
git clone git@github.com:pkieltyka/purls-ruby.git
gh repo clone pkieltyka/purls-ruby
+is-thread-safe
Tested on Ruby 2.1.1, JRuby 1.7.11 (latest gear at this time)..