Update badges and fix typos

Author: hugovk

README.md

@@ -1,18 +1,24 @@
-python-json-patch [![Build Status](https://secure.travis-ci.org/stefankoegl/python-json-patch.png?branch=master)](https://travis-ci.org/stefankoegl/python-json-patch) [![Coverage Status](https://coveralls.io/repos/stefankoegl/python-json-patch/badge.png?branch=master)](https://coveralls.io/r/stefankoegl/python-json-patch?branch=master)
+python-json-patch
 =================
+
+[![PyPI version](https://img.shields.io/pypi/v/jsonpatch.svg)](https://pypi.python.org/pypi/jsonpatch/)
+[![Supported Python versions](https://img.shields.io/pypi/pyversions/jsonpatch.svg)](https://pypi.python.org/pypi/jsonpatch/)
+[![Build Status](https://travis-ci.org/stefankoegl/python-json-patch.png?branch=master)](https://travis-ci.org/stefankoegl/python-json-patch)
+[![Coverage Status](https://coveralls.io/repos/stefankoegl/python-json-patch/badge.png?branch=master)](https://coveralls.io/r/stefankoegl/python-json-patch?branch=master)
+
 Applying JSON Patches in Python
 -------------------------------
 
 Library to apply JSON Patches according to
 [RFC 6902](http://tools.ietf.org/html/rfc6902)
 
-See Sourcecode for Examples
+See source code for examples
 
 * Website: https://github.com/stefankoegl/python-json-patch
 * Repository: https://github.com/stefankoegl/python-json-patch.git
 * Documentation: https://python-json-patch.readthedocs.org/
 * PyPI: https://pypi.python.org/pypi/jsonpatch
-* Travis-CI: https://travis-ci.org/stefankoegl/python-json-patch
+* Travis CI: https://travis-ci.org/stefankoegl/python-json-patch
 * Coveralls: https://coveralls.io/r/stefankoegl/python-json-patch
 
 Running external tests