Added convenience methods for default ThrowingManager, default file/folder from url.
Added methods to convert to/from throwing/non-throwing.

Added documents folder property.
Added icon to FilesKit / AppKit.

Fixed an error that was thrown when copying and the destination didn't already exist.

Fixed default parameters for some methods.

Fixed visibility of some stuff.

Added a new file/folder abstraction, which comes in two flavours: throwing and non-throwing. Currently only contains the bits I need for another project, but I expect it will expand over time.

Similar in style to https://github.com/JohnSundell/Files, although it takes a slightly different approach.

Added beginnings of a file/folder abstraction.

Moved directory stuff.
Implemented stubs for security stuff on tvOS.

Fixed Linux build.

Renamed as Files.
Added FIleManager extensions.