basic hash table implemented
woring hash table

all functions from the initial class definition implemented with
basic testing complete.
HashTable with destructor comments

not suitable for production use, but saved in case I need to use
debug in the destructor moving forward
functional HashTable class

implemented the destructor for the hash table.  See the
HashTable_with_debug for a chatty version with destructor
feedback as it works through the node table.
TreeSet & HashSet implemented

Ready for more rigorous testing after I read the spec carefully
to make sure all the functions correctly meet reqs.
minor file move to clean up src directory