function isIterable(val) {
			// checks for null and undefined
			if (typeof val !== "object") {
				return false;
			}
			return typeof val[Symbol.iterator] === "function";
		}
Returns `true` when the argument is an iterable, `false` otherwise

@alias module:samsam.isIterable
@param  {*}  val - A value to examine
@returns {boolean} Returns `true` when the argument is an iterable, `false` otherwise