code: function cloneSHA3State(state) {
  		var clone = [], i;
  		for (i = 0; i < 5; i += 1)
  		{
  			clone[i] = state[i].slice();
  		}
  
  		return clone;
  	}
docs: Returns a clone of the given SHA3 state
  
  @private
  @param {Array<Array<Int_64>>} state The state to be cloned
  @return {Array<Array<Int_64>>} The cloned state