Added In Flanders Fields by John McCrae
Encapsulates turnLength and configurationsChanged
Modified the TODO.
Renamed DResourceReader to ResourceReader.
Cleaned the Creatures resource file.
Add contains(String) and a note to ResourceReader
Added a more meaningful toString to ID
Use ResourceReader to parse ItemBlueprints.

Also implements a better readNextElement method in ResourceReader.

A few TODOs were added to the code.

Add a predicate isComment() to DBufferedReader and skip comments.

Lastly, this commit increases warning logging.
A poem by Emily Dickinson.
Made the HashMaps final.
Minimized the scope of two variables.
Renamed utils to util.
Created the Percentage class and added a TODO.
Improved Percentage.

Made it Serializable.

Log invalid constructor arguments and make the value field final.
Implemented the StopWatch.
Removed finished goals from the TODO.