+Added a class which can be used to get exact counts over a period of
time.  This can be useful to see how acurate the other data structure
are.
+fixed a stupid syntax error.
+Inserted a class which can be used to time code.
+The classes now support Serializable
+Moved some utility related classes to a new package called util.  This
includes the timer and the exact query stuff.
+Added some code from com/vladium/utils.  The code supports a 'sizeof'
features that can be used to see how large a data structure is.  This
can be used when running tests to see how much space is needed for these
data structures.
+Added some functions which will report what the most early query
supported by the data structure is.
fixed a small bug in the parser.  It listed yyy rather then yyyy for the
date
+renamed classes in untilies to make more sense.
+small bug fixes and adjustments in the sliding window function.
+Added some functionality in the driver program to test several queries
over a given range for acruacy.  If a query is not gauanteed to be
within the range the program reports that there is 100% error.
+updating stuff.