Branch: api_v_1_1

    - Nutritionix API version 1_1 support
    - Updated README.md with usage instructions

Reference: https://developer.nutritionix.com/docs/v1_1
Branch: api_v_1_1

Updated formatting in README.md.
Branch: api_v_1_1

Updated formatting in README.md.
Merge pull request #1 from JigneshGohel-BoTreeConsulting/api_v_1_1

Nutritionix API version 1_1 support