Corpora catalog for NLTK in json format

[Larz60+]

I have modified this code quite a bit, and have put it on GitHub at:
https://github.com/Larz60p/NLTK-Corpora-Catalog

The output is a better JSON file (dictionary format)
A sample of the printed output is:

Output:
RecId: RecId61
    url: https://raw.githubusercontent.com/nltk/nltk_data/gh-pages/packages/corpora/sentiwordnet.zip
    unzip: 1
    license: Creative Commons Attribution ShareAlike 3.0 Unported license
    id: sentiwordnet
    webpage: http://sentiwordnet.isti.cnr.it/
    subdir: corpora
    author: Stefano Baccianella, Andrea Esuli, and Fabrizio Sebastiani
    copyright: Copyright (C) 2013 SentiWordNet Project
    checksum: 5043f00829b7db4dd5f21507e092b76a
    name: SentiWordNet
    size: 4686546
    unzipped_size: 13591402