Released 6.0.8

* Fix an issue where the ``--download`` flag would cause pip to no longer use
  randomized build directories.

* Fix an issue where pip did not properly unquote quoted URLs which contain
  characters like PEP 440's epoch separator (``!``).

* Fix an issue where distutils installed projects were not actually uninstalled
  and deprecate attempting to uninstall them altogether.

* Retry deleting directories incase a process like an antivirus is holding the
  directory open temporarily.

* Fix an issue where pip would hide the cursor on Windows but would not reshow
  it.