Fixes #10262

Co-authored-by: Marc Cornellà <hello@mcornella.com>

Also:

- Fix Python code in accordance with Python 3
- Use CGI module in Ruby to encode/decode strings

- fasd
- history
- mercurial
- pylint
- repo
- yii2

* Remove current directory from sys.path in python invocations

adding urldecode_json to compliment urlencode_json and updating readme.md; slight tweak to urlencode_json from previous commit