Document update for v0.5

CHANGES

 
   - Support read output from ``svn diff --log`` and ``hg log -p``
   - Streamline reading large patch set
+  - New ``--log (-l)`` option to read revision control diff log (thanks to
+    `Steven Myint <https://github.com/myint>`_)
 
 Version 0.4 (2013-02-16)
 
   
   - Publish on PyPI, supports read patch from file, pipe and diff output from
     revision tools (thanks to `Steven Myint <https://github.com/myint>`_)
+

README.rst

     cdiff -s                    # view side by side
     cdiff -s -w 90              # use text width 90 other than default 80
 
-Read the log (e.g. ``git log -p``) in a svn, git, or hg workspace:
+Read the log (e.g. ``git log -p``) in a *svn*, *git*, or *hg* workspace:
 
 .. code:: sh
 
     cd proj-workspace
     cdiff -l
+    cdiff -ls                   # equivalent to ``cdiff -l -s``
+    cdiff -ls -w90
 
 Pipe in a diff:
 
   2.4.3, maybe you can fix it)
 - Only takes unified diff for input
 - Side by side mode has alignment problem for wide chars
-
-Pull request is very welcome, make sure run ``make test`` and ``make test3`` to
-verify.  Single commit in pull request would make it easier for review, for
-example to collapse last 3 commits into 1 before *push*, use ``git rebase -i
-HEAD~3``, *pick* the first and *squash* the other two.
+- Pull requests are very welcome (please run ``make test test3`` to verify)
 
 See also
 --------

cdiff.py

     parser.add_option('-w', '--width', type='int', default=80, metavar='N',
             help='set text width (side-by-side mode only), default is 80')
     parser.add_option('-l', '--log', action='store_true',
-                      help='show log from revision control (git, svn, hg)')
+            help='show diff log from revision control')
     opts, args = parser.parse_args()
 
     if opts.log: