Find url in a new way

[kiwiroy]

This fixes #55, although I'm unsure how long this fix will be successful.

There's some ancillary toolchain/linting edits included so that Travis has a green light - hope that's ok.

[coveralls]

Pull Request Test Coverage Report for Build 119

• 20 of 24 (83.33%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+18.1%) to 38.095%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
lib/WWW/YouTube/Download.pm	20	24	83.33%
<!--	Total:	20	24	83.33%	-->

Totals
Change from base Build 114:	18.1%
Covered Lines:	80
Relevant Lines:	210

---

💛 - Coveralls

[oalders]

I just switched to GitHub workflows. Could you delete .travis.yml from this branch and rebase as well?

[kiwiroy]

Rebased and all green.

[oalders]

This is now on CPAN.