Added fromSgfCoordinateToPoint method in CoordinateUtil
Added DefaultNull to properties in Stone bean that should be default null
Added exception class for SGF parsing exceptions
Added SGFPropertyUtil to help invoking SGF properties to beans
Added a test util to assert sgf strings
Added an SGF Parser utility to help append proper string values to sgf properties and values and also to help parsing sgf trees a bit easier.
Removed color property from Player and made GameInfoProperties responsible for printing the correct SGF string
Fixed compilation error and added a TODO on getPlayerColor
Added utility methods for checking different types in the SGF tree.