Created linked list of strings.

Created a StringList class which contains a linked list of strings.

Added the StringList to the makefile.

Added test code to the main function to test the StringList.
Created show class

Created a show class that contains all the data for a TV show.

Created test code for the new show class.
Merge branch 'develop' into input
Fixed show class

Changed the show class actor list from being a linked list to being
an array.
Updated BST

Updated the BST to hold Show objects.
Added year parsing.
Merge branch 'input' into develop