Update and reformat changelog

CHANGES.rst

-Release 0.78.1 (6th August, 2016)
-=================================
+==========
+Change log
+==========
+All notable changes to this project will be documented in this file. The format
+is based on `Keep a Changelog`_ and this project
+adheres to `Semantic Versioning`_.
+
+.. _`Keep a Changelog`: http://keepachangelog.com/
+.. _`Semantic Versioning`: http://semver.org/
+
+
+0.78.2 - 2017-07-09
+-------------------
+
+Added
+~~~~~
+* Adds support for tunneling specific port ranges (#144).
+* Add support for iproute2.
+* Allow remote hosts with colons in the username.
+* Re-introduce ipfw support for sshuttle on FreeBSD with support for --DNS option as well.
+* Add support for PfSense.
+* Tests and documentation for systemd integration.
+* Allow subnets to be given only by file (-s).
+
+Fixed
+~~~~~
+* Work around non tabular headers in BSD netstat.
+* Fix UDP and DNS support on Python 2.7 with tproxy method.
+* Fixed tests after adding support for iproute2.
+* Small refactoring of netstat/iproute parsing.
+* Set started_by_sshuttle False after disabling pf.
+* Fix punctuation and explain Type=notify.
+* Move pytest-runner to tests_require.
+* Fix warning: closed channel got=STOP_SENDING.
+* Support sdnotify for better systemd integration.
+* Fix #117 to allow for no subnets via file (-s).
+* Fix argument splitting for multi-word arguments.
+* requirements.rst: Fix mistakes.
+* Fix typo, space not required here.
+* Update installation instructions.
+* Support using run from different directory.
+* Ensure we update sshuttle/version.py in run.
+* Don't print python version in run.
+* Add CWD to PYTHONPATH in run.
+
+
+0.78.1 - 2016-08-06
+-------------------
 * Fix readthedocs versioning.
 * Don't crash on ENETUNREACH.
 * Various bug fixes.
 * Improvements to BSD and OSX support.
 
 
-Release 0.78.0 (Apr 8, 2016)
-============================
+0.78.0 - 2016-04-08
+-------------------
 
 * Don't force IPv6 if IPv6 nameservers supplied. Fixes #74.
 * Call /bin/sh as users shell may not be POSIX compliant. Fixes #77.
@@ -17,22 +63,22 @@ Release 0.78.0 (Apr 8, 2016)
 * Make server parts work with old versions of Python. Fixes #81.
 
 
-Release 0.77.2 (Mar 7, 2016)
-============================
+0.77.2 - 2016-03-07
+-------------------
 
 * Accidentally switched LGPL2 license with GPL2 license in 0.77.1 - now fixed.
 
 
-Release 0.77.1 (Mar 7, 2016)
-============================
+0.77.1 - 2016-03-07
+-------------------
 
 * Use semantic versioning. http://semver.org/
 * Update GPL 2 license text.
 * New release to fix PyPI.
 
 
-Release 0.77 (Mar 3, 2016)
-==========================
+0.77 - 2016-03-03
+-----------------
 
 * Various bug fixes.
 * Fix Documentation.
@@ -40,8 +86,8 @@ Release 0.77 (Mar 3, 2016)
 * Add support for OpenBSD.
 
 
-Release 0.76 (Jan 17, 2016)
-===========================
+0.76 - 2016-01-17
+-----------------
 
 * Add option to disable IPv6 support.
 * Update documentation.
@@ -49,14 +95,14 @@ Release 0.76 (Jan 17, 2016)
 * Use setuptools-scm for automatic versioning.
 
 
-Release 0.75 (Jan 12, 2016)
-===========================
+0.75 - 2016-01-12
+-----------------
 
 * Revert change that broke sshuttle entry point.
 
 
-Release 0.74 (Jan 10, 2016)
-===========================
+0.74 - 2016-01-10
+-----------------
 
 * Add CHANGES.rst file.
 * Numerous bug fixes.