Package fileaccess serialize files access.

Package history provides the core part for services history data management.

CopyDir copies files recursively from source to destination dir.

CopyFile copies source file to destination.

IsExist checks whether a file or directory exists.

Reader returns a Reader to the given file, with its size and close call.

Save write a file to disk at given location.

SetLastModif save download date file for a package.

UnTarGz extracts a tar gz reader to disk at given location.