Maven configuration
Bare bones API
Simple (failing) test
Added more tests
Added newlines to test inputs
Added IOException to EntryReader.readEntry
Implemented reading lines from stream.
Added bare bones API for Digit class
Added tests for Digit class
Implemented methods of Digit class.
Made Entry class immutable
Implemented EntryReader to pass unit tests and implement user story 1
Refactored EntryReader
Added test for extra trailing garbage characters in lines