Run towncrier manually and fix changelog manually

Mark 0.7.0 as unreleased due to deployment problems in #160

Author: nicoddemus

CHANGELOG.rst

@@ -1,4 +1,4 @@
-Pluggy 0.7.0 (2018-07-26)
+pluggy 0.7.1 (2018-07-28)
 =========================
 
 Deprecations and Removals
@@ -27,6 +27,8 @@ Bug Fixes
 - `#110 <https://github.com/pytest-dev/pluggy/issues/110>`_: Fix a bug where ``_HookCaller.call_historic()`` would call the ``proc``
   arg even when the default is ``None`` resulting in a ``TypeError``.
 
+- `#160 <https://github.com/pytest-dev/pluggy/issues/160>`_: Fix problem when handling ``VersionConflict`` errors when loading setuptools plugins.
+
 
 
 Improved Documentation
@@ -62,6 +64,11 @@ Trivial/Internal Changes
 - `#66 <https://github.com/pytest-dev/pluggy/issues/66>`_: Start using ``towncrier`` and a custom ``tox`` environment to prepare releases!
 
 
+pluggy 0.7.0 (Unreleased)
+=========================
+
+* `#160 <https://github.com/pytest-dev/pluggy/issues/160>`_: We discovered a deployment issue so this version was never released to PyPI, only the tag exists.
+
 0.6.0
 -----
 - Add CI testing for the features, release, and master