Complete overhaul of the v1 API and structure. (#2, #3, #4)

Related to #2
`
// JS
export const key = 'value';

// SCSS
$key: value;

// JS
export const obj = {
one: 'value',
two: 'value',
};

// SCSS
$ojb: (
one: value,
two: value
);

// JS
export const arr = [1,2,3];

// SCSS
$arr: 1, 2, 3;
`