Adds victory condition checking for rows
Adds victory check for columns and turn stats

Added victory checking for columns. Also added turn statistics, which
will be used when checking for ties. And also modified a few comments.
Adds victory condition for checking diagonals
Adds checking ties and resetting the game turns

Adds ability to check for a tie and declare game over. Also adds the
ability to reset the game turn counter when the game is reset.
Changes checkTie() to use setScore()
Merge branch 'dev'

Conflicts:
	tic-tac-node.js