FEAT - Inputs and outputs in camel case

• All inputs and outputs are now in camelCase.

Fixes and improvements

• When an object is passed to gpuid(), it returns an object.
• When an array is passed to gpuid(), it returns an array.
• Stopword package downgraded to 0.1.13
• Others packages updated

FIX - Publish dist folder

• dist folder published
• npmignore updated

MULTI - Some improvements

• Build before publishing
• Lightened package
• Coverage sent to CodeCov

Production ready

• Package is production ready.