Merge pull request #5 from smnslwl/master

Add "mistune" for Markdown

Author: geekan

README.md

@@ -37,6 +37,9 @@ We don't need [a lot of libraries](https://github.com/vinta/awesome-python). We
 #### Natural Language
 * [nltk](http://www.nltk.org/) - A suite of libraries and programs for symbolic and statistical natural language processing.
 
+#### Markdown
+* [mistune](https://github.com/lepture/mistune) - The fastest markdown parser in pure Python with renderer features, inspired by marked.
+
 #### Data Analysis
 * [pandas](http://pandas.pydata.org/) - A software library for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series.