Version 1.2.0

[stevegrunwell]

• Add the following multipliers to help with sub-second timings (Add multipliers for sub-second timing #13):
  • MILLISECONDS_PER_SECOND (1,000ms/s)
  • MICROSECONDS_PER_SECOND (1,000,000µs/s)
  • NANOSECONDS_PER_SECOND (1,000,000,000ns/s)
  • PICOSECONDS_PER_SECOND (1,000,000,000,000ps/s)
• Remove the composer.lock file, overhaul CI pipeline so tests can be run across all supported versions of PHP (Test across php versions #14, props @peter279k).
• Define an archive.exclude section in composer.json (Define an archive.exclude section of the composer.json file #15).