change Inline 'with' hook to accomodate old and new call

'with' now calls Inline() as class method instead of a function

see the following commits:
- <https://github.com/ingydotnet/inline-pm/commit/a30d24251e53e6af79fef92dd8abb0536df98235>
- <https://github.com/zmughal/p5-Alien-Leptonica/commit/182c88ed9fbc1bd0ee8533c7a2e7b47f2647ab30>
  - from pull request <https://github.com/zmughal/p5-Alien-Leptonica/pull/4>