v1.2.0: Minor cleanup

What's Changed

• Disable doFormat under GNU compiler. by @schveiguy in #56
• Fix foreach ref index by @ntrel in #57
• Move dmd samples here by @dkorpel in #58

New Contributors

• @schveiguy made their first contribution in #56
• @ntrel made their first contribution in #57

Full Changelog: v1.1.8...v1.2.0