Log Message:
Update to 0.9524

Upstream changes:
0.9520 Mon Nov 29 22:01:58 EET 2021
        - added pcre2 support (old pcre support stil exists)
        - closed rt.cpan.org #140119 - pcre2 support

0.9521 Thu Dec  2 09:09:51 EET 2021
        - closed rt.cpan.org #109255 - urlencode shouldn't encode '\'.

0.9522 Mon Dec  6 19:25:43 EET 2021
        - fixed memory leak in perl wrapper code. libhtmltmplpro
          was not affected by it.
        - closed rt.cpan.org #78121 - 'I found a memory leak'

0.9523 Wed Dec 15 02:05:11 EET 2021
        - fixed memory leak in perl wrapper code. libhtmltmplpro
          was not affected by it.
        - closed rt.cpan.org #140477 - 'Possible memory leak'

0.9524 Sun Jan 16 22:36:21 EET 2022
        - fixed misprint in error message
        - closed rt.cpan.org #140731 - 'Misprint'