Checkpoint.

- Add column names and types to KuzuQuery objects.
- Start sketching out type conversions.
- Add a "kind" method to KuzuValue, that returns its Kuzu type. (type is a
  reserved word)
- Fix some tests for post v0.8.2 behaviors.

FossilOrigin-Name: 64c0694e58507ce91f2e0eced106c9fef2a739665ddaa29f60b4ca9fe65678fe

tests/queries/t_can_prepare_a_statement.nim

@@ -18,8 +18,8 @@ for thing in @[ "Camel", "Lampshade", "Delicious Cake" ]:
    q = p.execute( (thing: thing) )
    assert typeOf( q ) is KuzuQueryResult
 
-# This is failing until I can address
-# https://github.com/kuzudb/kuzu/issues/5102
+# Fixed post v0.8.2:
+#     https://github.com/kuzudb/kuzu/issues/5102
 q = conn.query( "MATCH (d:Doop) RETURN d.thing" )
 echo $q
 

tests/queries/t_knows_if_there_are_waiting_tuples.nim

@@ -17,7 +17,7 @@ q = conn.query( "MATCH (d:Doop) RETURN d.thing" )
 assert q.num_tuples == 1
 assert q.hasNext == true
 
-discard $q  # consume the tuple result
+discard q.getNext # consume the tuple result
 
 assert q.num_tuples == 1
 assert q.hasNext == false