Counter Function
by Ryan Morris
JavaScript
/**
* Counter Function
*
* Make a function that can keep track of a count value
* And allows you to increment or decrement it while retaining the value
*
* The value starts at 0 and will increment by 1
*
* count.value(); // 0 -- starts at
* count.up(); // 1
* count.up(); // 2
* count.down(); // 1
* count.value(); // 1
*
*/