Multiple changes.

- Minor README updates.
- Create LICENSE and History files.
- Use 'func' instead of 'proc' where applicable.
- Add some destructor debug.
- Rename primary exceptions to 'X-error'.
- Bind to proper object types in prepared statement parameters.
- Retain the found 'type' in the KuzuValue object.

FossilOrigin-Name: db59c0b901b1715170e0d269fc2bf00477ac48af4d10a747eb5a749adbf6268e

tests/queries/t_raises_on_invalid_varbind.nim

@@ -0,0 +1,31 @@
+# vim: set et sta sw=4 ts=4 :
+
+import
+    std/re
+import kuzu
+
+let db = newKuzuDatabase()
+let conn = db.connect
+
+var q = conn.query( "CREATE NODE TABLE Doop ( id SERIAL, created DATE, PRIMARY KEY(id) )" )
+assert typeOf( q ) is KuzuQueryResult
+
+var p = conn.prepare( "CREATE (d:Doop {created: $created})" )
+assert typeOf( p ) is KuzuPreparedStatement
+
+# Typecast binding failure
+#
+try:
+    discard p.execute( (created: "1111-1111") )
+except KuzuQueryError as err:
+    assert err.msg.contains( re"""Expression \$created has data type STRING but expected DATE.""" )
+
+# Invalid value for typecast
+#
+p = conn.prepare( "CREATE (d:Doop {created: DATE($created)})" )
+try:
+    discard p.execute( (created: "1111-1111") )
+except KuzuQueryError as err:
+    assert err.msg.contains( re"""Given: "1111-1111". Expected format: \(YYYY-MM-DD\)""" )
+
+