Grunt 0.1.8 Is Available Now

The 0.1.8 release is incrementally small compared to some other releases, but I needed to get it out the door so that I can fix my data collection tool, StatLink. The tool is used to download asset analytics through the official Halo Infinite API and collects them in openspartan-data-snapshots.
This change includes:
PlayAssetStatsare now embedded in the base class rather than individual asset classes.AssetLinkis now just a “dummy” implementation ofAssetBasethat allows me to instantiate generic entities when I download them through the API (i.e., I can just work with an unknown entity rather than an explicitly declared map, engine variant, or game mode).- General code cleanup to support nullable types and
List<T>instead of plain arrays in certain areas. - Documentation improvements, since I have quite a few APIs that still need good coverage.