Try *again* to fix exception thrown when constructor cannot be found if the constructor is not needed, and *again* add some more tests

beehive-jdbc-mapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java

@@ -120,7 +120,7 @@ public class RowToObjectMapper<T> extends RowMapper {
 				if (!constructor.isAccessible())
 					constructor.setAccessible(true);
 			} catch (Throwable e1) {
-				if(_columnCount != 1) // if column count is only 1, it might map directly to a type like a Long or something
+				if(_columnCount > 2) // if column count is 2 or less, it might map directly to a type like a Long or something, or be a map which does
 					throw new MapperException("Exception when trying to get constructor for : "+returnTypeClass.getName() + " Must have default no-arg constructor or one that takes a single ResultSet.", e1);
 			}
 		}

beehive-jdbc-mapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java

@@ -205,6 +205,23 @@ public class QueryMapperTest {
 		Assert.assertEquals(arrayMap.toArray(new Map[arrayMap.size()]), qm.toArrayMap("SELECT first_name, last_name FROM person WHERE person_no < 4", arrayMap.get(0).getClass(), String.class));
 	}
 
+	@Test
+	public void testSelectMapString() throws Throwable {
+		final Map<String, String> map = new HashMap<String, String>();
+		for (final Person person : new Person[]{fieldPerson1, fieldBoss1, fieldBoss2})
+			map.put(person.getFirstName(), person.getLastName());
+		Assert.assertEquals(map, qm.toMap("SELECT first_name, last_name FROM person WHERE person_no < 4", String.class, String.class));
+	}
+
+	@Test
+	public void testSelectMapLong() throws Throwable {
+		final Map<Long, Long> map = new HashMap<Long, Long>();
+		for (final Person person : new Person[]{fieldPerson1, fieldBoss1, fieldBoss2})
+			map.put(person.getPersonNo(), person.getPersonNo());
+		Assert.assertEquals(map, qm.toMap("SELECT person_no AS first_no, person_no AS last_no FROM person WHERE person_no < 4", Long.class, Long.class));
+	}
+
+
 	private List<Map<String, String>> getListMap() {
 		final List<Map<String, String>> arrayMap = new ArrayList<Map<String, String>>();
 		for (final Person person : new Person[]{fieldPerson1, fieldBoss1, fieldBoss2}) {