0.0.4    2020-05-07

- bugfix: internally use the correct sprintf format for stringifying floats

- improvement: switch from Inline::C to XS so built module can be deployed
  to machines without a C compiler

0.0.3    2020-05-06

- cope with edge cases where perl fills an IN/NV slot but a variable
  should still be treated as a string

0.0.2    2020-05-01    Fix tests on 32 bit machines

0.0.1    2020-05-01    Initial release
