Modified program to read in a file and hypothetically insert into a linked list, added a counter to count the number of lines read into the hypothetical linked list.
Modified insert method to include FIRST LAST and PREVIOUS cases. Added code to methods getItem and isEmpty.
Added test to check isEmpty, insertLast, insertFirst and exception for insertPrev.
Modified program to check for file and read in the file. Added counter to count number of lines in file.
Merge pull request #6 from madkim/edfile

Edfile