* Initial pass - fixes IFileSystem OpenFile, implements IFileSystem CreateFile/DeleteFile, fixes IFile Read and implements IFile GetSize/SetSize
* Implement IFileSystem Directory* methods, as well as RenameFile. Add IDirectory, and implement its Read and GetEntryCount methods.
* missing TODO
* hey, this is kinda bad
* Update IDirectory.cs
Fixed :)
* Some cleanups to IDirectory, fix for OpenDirectory on a non-existent directory.
* Item -> Index
* This should work.
* Update IDirectory.cs
Marshalling version
