version 0.000; 2015-03-24

  * initial released version of Sub-WhenBodied; other changes noted here
    are relative to Sub-Mutate-0.005

  * port to Perl 5.21.1 which removed PL_sv_objcount

  * port to Perl 5.21.6 which removed the padlist slot from XS subroutines

  * port to Perl 5.21.7 which made PADNAMELIST a distinct type

  * rename things in the C code to reflect the single-purpose status of
    this module