The ForgivingNullMatcher is an implementation of the IMatcher interface
used to compare values you know are either supposed to be NULL (but might
be textually represented differently) or are actually equal.
Gets the Connection given the JDBC URL, a Properties object containing
connection information such as user/password, the class name of the
JDBC driver, and the URL location for the JAR file containing the
The SignificantDigitsMatcher is an implementation of the IMatcher interface
used to compare FLOAT values where you only really care about matching to a
certain number of significant digits to the right of the decimal.