Return universally unique identifier as String

A little helper to get unique identifier

And we say a, not an in that case :-) 

On Mon, Dec 1, 2014, at 06:03, Philippe CHARRIERE wrote:
> > @@ -445,6 +445,15 @@ public static String currentDir() throws Throwable {
> >      return new File(".").getCanonicalPath();
> >    }
> >  
> > +  /**
> > +   * Return universally unique identifier as String.
> 
> you mean:
> Return an universally unique identifier as String.
> and @return an universally unique identifier as String
> ?
> (a or an?)
> 
> ---
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> https://github.com/golo-lang/golo-lang/pull/209/files#r21070146