index.js
function FNStack() {
    var stack = slice.call(arguments, 0).filter(function iterator(val) {
        return typeof val === "function";
    });

    this._context = null;
    this.stack = stack;

    return this;
}
function FNStack() {
    var stack = slice.call(arguments, 0).filter(function iterator(val) {
        return typeof val === "function";
    });

    this._context = null;
    this.stack = stack;

    return this;
}
function FNStack ( ) { var stack = slice . call ( arguments , 0 ) . filter ( function iterator ( val ) { return typeof val === "function" ; } ) ; this . _context = null ; this . stack = stack ; return this ; }
Initializes a new function stack.
@constructor
Initializes a new function stack .