v10.0.19041.5-preview.15

Changes:

• Win32 strings are new represented with PWSTR/PSTR NativeTypedef structs.

Fixes:

• #89: Many generated structs should be removed
• #243: Attribute to distinguish length of array in bytes vs element count
• #241: Double pointers to strings have no NativeTypeInfo
• #233: OLECHAR missing NativeTypeInfo attribute
• #123: Why are ANSI characters represented as sbyte instead of byte?
• #59: Need more metadata for ushort** to interpret as char**
• #38: IEnumDebugPropertyInfo.Next is missing annotations about array parameter, and out parameter