Addition of string hash table data structure currently under development
Updated file to contain function definitions and free memory allocated to string in test function.
Added string linked list - given by _s
Update README.md
Update README.md
Updated to linked lists in hash

Updated the linked list file to support removeNode(last node)

Updated hash table to support linked lists for collisions
Complete simple hash table

Hash table now works with linked lists.
Few functions added to both linked_list_s and hash table