* Outlines of the mem efficient linked list
Need to stop for now. Found problem with $tw.utils.pushTop that I need
consultation for.
* Link list throws when given non-string vals
* Think I got rid of the last LinkList infinite loops
* LinkedList push better; fixed coding conventions
* Cleaning up LinkedList code and tests
* Ready to ship new mem efficient Linked List
* Switching to double quotes in LinkedList
* made private methods limited to module scope
* moved private methods to file bottom
* changed tests to run comperable array functions in parallel
* added comments
* Changed the filterrunprefixes to use LinkedList
* Testing for Linked List
* Finishing touches to LinkedList
* Minor corrections to link-list coding style
* Corrected for sneaky bug in linkedList