Update README.md
created spec file
added cell file to library
testing if cell is empty
writing the second test
Battelships: updated readme to include game logic
testing cell.content
third test
testing ship.hit
getting confused about water
testing cell.content = water
added another test about content
testing cell.hit
Battleships: created ship class
Merge pull request #1 from babelberry/ship

Battleships: created ship class
adding hit and miss
testing cell.hit
Battleship: updated ship class with bangs
Merge pull request #3 from babelberry/ship

Battleship: updated ship class with bangs
more cell stuff