Log Message:
devel/ruby-sexp-processor: update to 4.13.0

Update ruby-sexp-processor to 4.13.0.

=== 4.13.0 / 2019-09-24

* 4 minor enhancements:

  * Added Sexp.q (query) and deprecated Sexp.s to distinguish better and match \ 
inspect output.
  * Extended Sexp::Matcher::Parser to allow `not?` patterns.
  * Extended Sexp::Matcher::Parser to cover more method names.
  * Split out all pattern-oriented code to sexp_matcher.rb.

* 1 bug fix:

  * Fixed bug w/ ruby's Array#eql? and #hash not looking at ivars.

=== 4.12.1 / 2019-06-03

* 1 minor enhancement:

  * Sexp#line now raises if setting w/ non-integer (eg nil).

* 3 bug fixes:

  * Fixed pt_testcase.rb for block args w/ trailing commas.
  * Fixed pt_testcase.rb for stabby proc sexps.
  * Simple fixes for STRICT_SEXP=1.