Name of composer package is in a bad format

[nelson6e65]

Ref: https://packagist.org/about#naming-your-package

Should be renamed, changing the '_' and making it short.

Helpful info:

• https://help.github.com/articles/duplicating-a-repository/
• Abandoning Packages composer/packagist#421

composer/packagist#496

Possible names:

• 😄 nelson6e65/nml
• 🎉 nelson6e65/strict
• ❤️ nelson6e65/elegant
• 😕 nelson6e65/core