Merge pull request #88 from cointoss1973/documents

Supports README version 0.10.1

README.rst

@@ -97,7 +97,7 @@ with `--packages` flag as follows:
 
 .. code-block:: bash
 
-    $ python pipdeptree.py --reverse --packages itsdangerous,gnureadline
+    $ pipdeptree --reverse --packages itsdangerous,gnureadline
     gnureadline==6.3.3
       - ipython==2.0.0 [requires: gnureadline]
     itsdangerous==0.24
@@ -205,7 +205,7 @@ tools.
 
 .. code-block:: bash
 
-    $ python pipdeptree.py --json
+    $ pipdeptree --json
 
 The dependency graph can be layed out as any of the formats supported by
 `GraphViz <http://www.graphviz.org/>`_:
@@ -223,13 +223,14 @@ Usage
 
 .. code-block:: bash
 
-     usage: pipdeptree.py [-h] [-f] [-a] [-l] [-w [{silence,suppress,fail}]] [-r]
-                          [-p PACKAGES] [-j]
+        usage: pipdeptree [-h] [-v] [-f] [-a] [-l] [-u] [-w [{silence,suppress,fail}]]
+                        [-r] [-p PACKAGES] [-j] [--graph-output OUTPUT_FORMAT]
 
         Dependency tree of the installed python packages
 
         optional arguments:
         -h, --help            show this help message and exit
+        -v, --version         show program's version number and exit
         -f, --freeze          Print names so as to write freeze files
         -a, --all             list all deps at top level
         -l, --local-only      If in a virtualenv that has global access do not show