Released v13.0.0

* Automatically install wheel when creating a new virutalenv. This can be
  disabled by using the ``--no-wheel`` option.
* Don't trust the current directory as a location to discover files to install
  packages from.
* Upgrade setuptools to 16.0.
* Upgrade pip to 7.0.0.
-----BEGIN PGP SIGNATURE-----

iQIcBAABAgAGBQJVXqsKAAoJEG48vOkzctz6Z5cP/itAHiJvcveu9DyasyLJgQcP
17PgBhdYyRXQ0i2pJfrWQ2gIPFtHFYDuSwGx1bKWk/Zvkw+r/yXf/y/et8WCqwe5
iInovbXMmOau4HwF4z/qGuA7ZNTs5nvBX3LbEA6tNVZ5yrUEU4+SGC7FThKtoyDp
bG6eRUPxHdxW9/rRvElqL/4R6lAwx3gUAVhXEpyLHb0vcGVThKiOwiejEjBqNb63
lqYwUXX0Ew94O7jiBoMP7Qm3S3ACOPJcK1fONlO4QVt/99K0Yb5gJduICn1sNURB
+/Syz2BmKzW8uVK4hizkI8SVMpTAVmF4HoFnH7WQpzWdLwHhSptVRLAib2RFknZ/
msN/GpEkpFlPGu0LJc3HLdapgzoVkPTembLxAkd1r8vydDtl/hIPuSw9D61HwiJS
kxfxPJHZ8d9+y/dxdabkFxIoqJvdSx0PZrFnaxJiNkhhzePCQHVudCV2l9oT4tlG
YITteicGyyQQEJiB3JfRmCWFvKt1AWopmkej+la0gwesSbJli+tiJ5HDmUMqtQWu
ZwOt2fY3rrTJi8oV3ftjvGAOeTqfbz5+OvKU0mFznf0yUEWOW9wsz0rEpBF6DS5t
+0kEuIcqfTRdD/ILpFvXIdvSL183l3zRnWmXV9gSAnvt1OXvxGQuDV6WeKFDG4kw
Jbv5WgI+BKUoW3iw0HmY
=abvR
-----END PGP SIGNATURE-----