Fix creation of java.sql dates

The java.sql.Date constructor specifies that the year must be the year
minus 1900. And the java.sql.Timestamp constructor specifies that the
year must be the year minus 1990.

jinq-jpa/test/org/jinq/jpa/CreateJpaDb.java

@@ -56,9 +56,9 @@ private Sale createSale(Customer customer, int year, int month, int day, int hou
       // SQL and JPA has some issues with timezones, so we'll manually
       // set the years and stuff for dates using deprecated methods to 
       // ensure we consistently get certain values in the database.
-      java.sql.Date sqlDate = new java.sql.Date(year, month, day);
+      java.sql.Date sqlDate = new java.sql.Date(year - 1900, month, day);
       java.sql.Time sqlTime = new java.sql.Time(hour, 0, 0);
-      java.sql.Timestamp sqlTimestamp = new java.sql.Timestamp(year, month, day, hour, 0, 0, 0);
+      java.sql.Timestamp sqlTimestamp = new java.sql.Timestamp(year - 1900, month, day, hour, 0, 0, 0);
 
       CreditCard creditCard = new CreditCard();
       creditCard.setName(customer.getName());

jinq-jpa/test/org/jinq/jpa/JinqJPATypesTest.java

@@ -167,8 +167,8 @@ public void testCalendar()
    @Test
    public void testSqlDate()
    {
-      java.sql.Date val = new java.sql.Date(2002, 1, 1);
-      java.sql.Date val2 = new java.sql.Date(2003, 1, 1);
+      java.sql.Date val = new java.sql.Date(2002 - 1900, 1, 1);
+      java.sql.Date val2 = new java.sql.Date(2003 - 1900, 1, 1);
       List<Pair<Customer, java.sql.Date>> sales = streams.streamAll(em, Sale.class)
             .where(s -> s.getSqlDate().before(val) || s.getSqlDate().equals(val2))
             .select(s -> new Pair<>(s.getCustomer(), s.getSqlDate()))
@@ -201,8 +201,8 @@ public void testSqlTime()
    @Test
    public void testSqlTimestamp()
    {
-      java.sql.Timestamp val = new java.sql.Timestamp(2002, 1, 1, 1, 0, 0, 0);
-      java.sql.Timestamp val2 = new java.sql.Timestamp(2003, 1, 1, 1, 0, 0, 0);
+      java.sql.Timestamp val = new java.sql.Timestamp(2002 - 1900, 1, 1, 1, 0, 0, 0);
+      java.sql.Timestamp val2 = new java.sql.Timestamp(2003 - 1900, 1, 1, 1, 0, 0, 0);
       List<Pair<Customer, java.sql.Timestamp>> sales = streams.streamAll(em, Sale.class)
             .where(s -> s.getSqlTimestamp().before(val) || s.getSqlTimestamp().equals(val2))
             .select(s -> new Pair<>(s.getCustomer(), s.getSqlTimestamp()))