Log Message:
Update to 7.20

Upstream changes:
7.20  2017-01-18
  - Fixed a bug in Mojo::File where the make_path method would die even if no
    error occurred.
  - Fixed warnings in Mojo::IOLoop::TLS.

7.19  2017-01-14
  - Added module Mojo::IOLoop::TLS.
  - Added can_nnr and can_socks methods to Mojo::IOLoop::Client.

7.18  2017-01-11
  - Fixed support for relative %INC paths in Mojo::Home.
  - Fixed a bug in Mojo::URL where invalid fragment strings could be generated.

7.17  2017-01-11
  - Fixed Windows bugs in Mojo::File. (kmx)

7.16  2017-01-10
  - Fixed Windows bugs in Mojo::File. (kmx)

7.15  2017-01-09
  - Deprecated Mojo::ByteStream::slurp and Mojo::Util::slurp in favor of
    Mojo::File::slurp.
  - Deprecated Mojo::ByteStream::spurt and Mojo::Util::spurt in favor of
    Mojo::File::spurt.
  - Deprecated Mojo::Util::files in favor of Mojo::File::list_tree.
  - Deprecated Mojo::Home::lib_dir, Mojo::Home::parse, Mojo::Home::parts in
    favor of new features inherited from the Mojo::File base class.
  - Added module Mojo::File.
  - Improved Mojo::Home to be a subclass of Mojo::File.
  - Improved mojo_lib_dir and rel_file methods in Mojo::Home to return
    Mojo::Home objects.
  - Improved rel_file methods in Mojolicious::Command to return Mojo::File
    objects.
  - Improved every_param and param methods in Mojolicious::Validator::Validation
    to use the current topic.