v1.7

• If Format is not specified, it is inferred from the file extension of ArchiveFileName (#24, proposed by @onyxhat)
• Added new parameter VolumeSize to specify the colume size for Compress-7Zip (#25, proposed by @rgel)
• Added new switches FlattenDirectoryStructure, SkipEmptyDirectories, and DisableRecursion to Compress-7Zip (#27, contributed by @itmagination)
• Added new switch Append to Compress-7Zip to append files to an existing archive (#30, inspired by @itmagination)

Module published at NuGet and PowerShell Gallery.