Funcion Packages

Clean function `toString` from code coverage mess. It can't be ideal, but it's useful in testing process.

isArrayOfStrings to check if is of the kind string<br> ``` isArrayOfStrings(["s","t","r","i","n","g"]) //true ``` orderbyLongitude order for long <br> ``` orderbyLongitude([""message",hello"]) //["hello","message"] ``` takeOut remove un string of