Version 6.7

Improved indexing of solids (eg. DEM particles) and improved LatticeAccess functions.

What's Changed

• Switching to steady_clock for walltime by @llaniewski in #436
• Tests for d3q27_PSM by @llaniewski in #438
• Improved tests by @llaniewski in #439
• Solid Container by @llaniewski in #435
• Improved LatticeAccess by @llaniewski in #440
• Fixing the SolidGrid print issue by @llaniewski in #442
• Improved OpenMP support by @llaniewski in #443
• Field access checks by @llaniewski in #444
• Fixing dynamic access in 2D by @llaniewski in #448
• Reduction of the use of rtemplate by @llaniewski in #445
• Adding codespaces support by @llaniewski in #449
• fix compile to grab c string from cpp string by @TravisMitchell in #450
• Fixing hip installation and adding --small option to installation by @llaniewski in #453
• Version 6.7 by @llaniewski in #452

Full Changelog: v6.6.1...v6.7