Prevent Sortr from throwing UnsupportedOperationException when sorting an Immutable / Unmodifiable List.
Note, we are not "sorting" the list as that would change the semantics of the list, but instead making a sorted copy of each element.
Merge pull request #61 from milosimpson/sortrArrayCopy

Prevent Sortr from throwing UnsupportedOperationException
*Removr with wildcard support
*Star Regex to use switch statement to escape metachars
*Double Star Path Element
*Changed Shiftr internal HashMap to linkedHashMap and order in which Shiftr is applied.