Preparation for 0.8.5 release

- Bumped version to 0.8.5
- Added details to CHANGELOG.md regarding recent changes

Author: tleonhardt

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 0.8.5 (April 15, 2018)
+* Bug Fixes
+    * Fixed a bug with all argument decorators where the wrapped function wasn't returning a value and thus couldn't cause the cmd2 app to quit
+    
+* Enhancements
+    * Added support for verbose help with -v where it lists a brief summary of what each command does
+    * Added support for categorizing commands into groups within the help menu
+        * See the [Grouping Commands](http://cmd2.readthedocs.io/en/latest/argument_processing.html?highlight=verbose#grouping-commands) section of the docs for more info
+        * See [help_categories.py](https://github.com/python-cmd2/cmd2/blob/master/examples/help_categories.py) for an example
+    * Tab completion of paths now supports ~user user path expansion
+    * Simplified implementation of various tab completion functions so they no longer require ``ctypes``
+    
+* **Python 2 EOL notice**
+    * This is the last release where new features will be added to ``cmd2`` for Python 2.7
+    * The 0.9.0 release of ``cmd2`` will support Python 3.4+ only
+    * Additional 0.8.x releases may be created to supply bug fixes for Python 2.7 up until August 31, 2018
+    * After August 31, 2018 not even bug fixes will be provided for Python 2.7
+    
 ## 0.8.4 (April 10, 2018)
 * Bug Fixes
     * Fixed conditional dependency issue in setup.py that was in 0.8.3.

cmd2.py

@@ -188,7 +188,7 @@ class RlType(Enum):
         pass
 
 
-__version__ = '0.8.4'
+__version__ = '0.8.5'
 
 # Pyparsing enablePackrat() can greatly speed up parsing, but problems have been seen in Python 3 in the past
 pyparsing.ParserElement.enablePackrat()

docs/conf.py

@@ -62,7 +62,7 @@
 # The short X.Y version.
 version = '0.8'
 # The full version, including alpha/beta/rc tags.
-release = '0.8.4'
+release = '0.8.5'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

setup.py

@@ -8,7 +8,7 @@
 import setuptools
 from setuptools import setup
 
-VERSION = '0.8.4'
+VERSION = '0.8.5'
 DESCRIPTION = "cmd2 - a tool for building interactive command line applications in Python"
 LONG_DESCRIPTION = """cmd2 is a tool for building interactive command line applications in Python. Its goal is to make 
 it quick and easy for developers to build feature-rich and user-friendly interactive command line applications.  It 

tests/test_cmd2.py

@@ -26,7 +26,7 @@
 
 
 def test_ver():
-    assert cmd2.__version__ == '0.8.4'
+    assert cmd2.__version__ == '0.8.5'
 
 
 def test_empty_statement(base_app):