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.