Update README.md

Author: jithin8mathew

README.md

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 [![Build Status](https://travis-ci.org/jithin8mathew/Protein_feature_extraction.svg?branch=master)](https://travis-ci.org/jithin8mathew/Protein_feature_extraction)
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 # Protein Feature Extraction for Machine Learning
 Python code to extract features from Protein sequences for Machine Learning/Deep Learning