v1.3.2: Prevent MemMapFs.Chmod from changing all mode bits
Merge pull request #249 from JohnStarich/bugfix/memfs-chmod-perm-only Prevent MemMapFs.Chmod from changing all mode bits
Merge pull request #249 from JohnStarich/bugfix/memfs-chmod-perm-only Prevent MemMapFs.Chmod from changing all mode bits