Add a makefile

Add a makefile that contains the following commands:

* docs
* docs-clean
* test

They all do just what you'd expect.

Turn the "tests" directory into a python module. This is required for unittest
test discovery to function correctly.
Merge pull request #36 from Ichimonji10/makefile

Add a makefile
Updated MANIFEST.in to include makefile.
Getting ready for 1.0.0 release.

Final release before making some major changes to the code.
updated genarate_string method to support html strings and a simple test
Merge pull request #37 from sghai/master

updated genarate_string method to support html strings
Getting ready for 1.0.1 release.

Updated ``generate_string`` to also accept ``html`` strings and added
Sachin Ghai ti ``AUTHORS.rst``.