update release notes

- backfill release notes up to 0.2.5
- update python version list in package metadata

CHANGELOG.rst

@@ -1,6 +1,14 @@
 Changelog
 =========
 
+0.2.5 (Jun 7, 2019)
+-------------------
+* added support for puz file version 1.4
+
+0.2.4 (March 15, 2019)
+----------------------
+* minor bug fixes
+
 0.2.3 (October 24, 2016)
 ------------------------
 * Incremented version number as needed for for PyPI.

puz.py

@@ -6,7 +6,7 @@
 import sys
 
 __title__ = 'puzpy'
-__version__ = '0.2.3'
+__version__ = '0.2.5'
 __author__ = 'Alex DeJarnatt'
 __author_email__ = 'adejarnatt@gmail.com'
 __maintainer__ = 'Simeon Visser'

setup.py

@@ -19,15 +19,13 @@
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Topic :: Games/Entertainment :: Puzzle Games',
     ],
     keywords='puz crosswords crossword puzzle acrosslite xword xwords'