Updated CHANGES.md file and bumped version to 0.7.3

Bumped version in preparation for 0.7.3 release probably within the next couple weeks.

Author: tleonhardt

CHANGES.md

@@ -7,11 +7,16 @@ News
 *Release date: TBD*
 
 * Bug fixes
-    * Fixed a bug in display a span of history items when only an end index is supplied
+    * Fixed a bug in displaying a span of history items when only an end index is supplied
 * Enhancements
     * Added the ability to exclude commands from the help menu (**eof** included by default)
-    * Redundant list command removed and features merged into history command
-    * Added **pyscript** command which supports running Python scripts with arguments
+    * Redundant **list** command removed and features merged into **history** command
+    * Added **pyscript** command which supports tab-completion and running Python scripts with arguments
+    * Changed default value of USE_ARG_LIST to True - this affects the beavhior of all **@options** commands
+        * **WARNING**: This breaks backwards compatibility, to restore backwards compatibility, add this to the
+          **__init__()** method in your custom class derived from cmd2.Cmd:
+            * set_use_arg_list(False)
+        * This change improves argument parsing for all new applications
 
 0.7.2
 -----

cmd2.py

@@ -87,7 +87,7 @@
 except ImportError:
     pass
 
-__version__ = '0.7.3a'
+__version__ = '0.7.3'
 
 # Pyparsing enablePackrat() can greatly speed up parsing, but problems have been seen in Python 3 in the past
 pyparsing.ParserElement.enablePackrat()

setup.py

@@ -5,7 +5,7 @@
 """
 from setuptools import setup
 
-VERSION = '0.7.3a'
+VERSION = '0.7.3'
 DESCRIPTION = "Extra features for standard library's cmd module"
 
 LONG_DESCRIPTION = """cmd2 is an enhancement to the standard library's cmd module for Python 2.7

tests/test_cmd2.py

@@ -22,7 +22,7 @@
 
 
 def test_ver():
-    assert cmd2.__version__ == '0.7.3a'
+    assert cmd2.__version__ == '0.7.3'
 
 
 def test_base_help(base_app):