Version 0.1.0 Initial release: * Linux namespaces class abstractions with automatic resource control. * Opening existing namespaces using PIDs. * Opening parent user namespaces. (usually unaccessible from `/proc`) * Switching to a namespace. * Unsharing namespaces either from class method or function with boolean flags. * Automatic file descriptor resource control using `with`. * Getting and setting the max number of namespaces. * Mount utilities using new file descriptor based API. * Create bind mounts.

Version 0.0.alpha3 

Version 0.0.alpha2