v0.2.0

New functionality! 🎉

• Add RemoteIp.from/2 so you can retrieve the retrieve the originating client IP from a given list of headers without using a plug. See #9 for background.
• Teach RemoteIp.init/1 the new :clients option, which lets you override the default loopback/reserved addresses automatically appended to :proxies. See #8, #10, and #11 for background.
• Add debug logging so that you can troubleshoot issues like #6 and #13 easier.
• Bump Elixir/Plug dependencies to version ~> 1.5, as earlier versions are no longer officially supported.
• Miscellaneous refactoring and documentation.