src/common.js


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Object.prototype.clone = Array.prototype.clone = function() //https://stackoverflow.com/questions/12690107/clone-object-without-reference-javascript
{
    if (Object.prototype.toString.call(this) === '[object Array]')
    {
        var clone = [];
        for (var i=0; i<this.length; i++)
            clone[i] = this[i].clone();

        return clone;
    } 
    else if (typeof(this)=="object")
    {
        var clone = {};
        for (var prop in this)
            if (this.hasOwnProperty(prop))
                clone[prop] = this[prop].clone();

        return clone;
    }
    else
        return this;
}