JSONEachRow: allow to parse true and false as 1 and 0 for UInt8, Int8 data types [#CLICKHOUSE-3]

dbms/tests/queries/0_stateless/00462_json_true_false_literals.reference

+0	0
+1	1
+0	false
+1	true

dbms/tests/queries/0_stateless/00462_json_true_false_literals.sql

+DROP TABLE IF EXISTS test.json;
+CREATE TABLE test.json (x UInt8, title String) ENGINE = Memory;
+INSERT INTO test.json FORMAT JSONEachRow {"x": true, "title": "true"}, {"x": false, "title": "false"}, {"x": 0, "title": "0"}, {"x": 1, "title": "1"}
+
+SELECT * FROM test.json ORDER BY title;
+DROP TABLE IF EXISTS test.json;