Update README.rst with python versions

README.rst

@@ -3,6 +3,9 @@
 
 .. image:: https://travis-ci.org/anshulc95/exch.svg?branch=master
     :target: https://travis-ci.org/anshulc95/exch
+
+.. image:: https://img.shields.io/pypi/pyversions/exch.svg
+    :target: https://github.com/anshulc95/exch
 
 A commandline application built using python to see foreign exchange
 rates andcurrency conversion.
@@ -11,21 +14,12 @@ It parses exchange rates from the following service(s):
 
    `fixer.io`_
 
-Prerequisites:
---------------
-
--  `Python 3`_
--  `pip3`_
--  `git`_
-
 Installation:
 -------------
 
 ::
 
-    $ git clone https://github.com/anshulc95/exch.git
-    $ cd exch
-    $ pip install . -r requirements.txt  
+    $ pip install exch
 
 Usage:
 ------
@@ -47,73 +41,32 @@ Default amount for currency exchange is 1.
     $ exch -b USD -t PHP
     1.0 USD = 51.23 PHP
 
-+---------+-----------+-------------------------------------------+-------------------+
-| Short   | Long      | Description                               | Example           |
-+=========+===========+===========================================+===================+
-| -t      | –target   | Currency you are converting from.         |  ``exch -t EUR``  |
-+---------+-----------+-------------------------------------------+-------------------+
-| -b      | –base     | Currency you're converting to.            |  ``exch -b INR``  |
-+---------+-----------+-------------------------------------------+-------------------+
-| -a      | –amount   | The amount of base currency to convert.   |  ``exch -a 99``   |
-+---------+-----------+-------------------------------------------+-------------------+
-| -h      | –help     | Displays the help text.                   |  ``exch --help``  |
-+---------+-----------+-------------------------------------------+-------------------+
-
-Development setup
------------------
++----------+----------------+-------------------------------------------+-----------------------+
+| Short    | Long           | Description                               | Example               |
++==========+================+===========================================+=======================+
+| ``-t``   | ``--target``   | Currency you’re converting to.            |   ``exch -t EUR``     |
++----------+----------------+-------------------------------------------+-----------------------+
+| ``-b``   | ``--base``     | Currency you are converting from.         |   ``exch -f INR``     |
++----------+----------------+-------------------------------------------+-----------------------+
+| ``-a``   | ``--amount``   | The amount of base currency to convert.   |   ``exch -v 99``      |
++----------+----------------+-------------------------------------------+-----------------------+
+| ``-h``   | ``--help``     | Displays the help text.                   |   ``exch --help``     |
++----------+----------------+-------------------------------------------+-----------------------+
 
-Use ``virtualenv`` for development in an isolated Python environment.
-
-Install the testing dependecies:
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-::
-
-    $ pwd
-    /home/username/somedir/exch
-    $ virtualenv venv -p python3
-    $ source venv/bin/activate
-    (venv) $ pip install -e . -r requirements.txt -r test-requirements.txt
-
-Running the tests
-~~~~~~~~~~~~~~~~~
-
-::
-
-    (venv) $ pytest
-
-To generate the test coverage:
-
-::
-
-    (venv) $ pytest --cov=exch --cov-report=term
 
 Built With
 ----------
 
--  `Click`_ - a Python package for creating beautiful command line
-   interfaces
+-  `Click`_ - a Python package for creating beautiful command line interfaces.
 -  `requests`_ - HTTP library for Python
 
-Contributing
-------------
-
-1. Fork it (https://github.com/anshulc95/exch/fork)
-2. Create your feature branch (``git checkout -b feature/fooBar``)
-3. Commit your changes (``git commit -am 'Add some fooBar'``)
-4. Push to the branch (``git push origin feature/fooBar``)
-5. Create a new Pull Request
-
 License
 -------
 
 This project is licensed under the MIT License - see the `LICENSE.md`_
 file for details
 
 .. _fixer.io: http://fixer.io/
-.. _Python 3: https://www.python.org/download/releases/3.5.2/
-.. _pip3: https://pypi.python.org/pypi/pip
-.. _git: https://git-scm.com
 .. _Click: http://click.pocoo.org/6/
 .. _requests: http://docs.python-requests.org/en/master/
 .. _LICENSE.md: LICENSE.md