Add test for newlines in arrays

parser_test.go

diff --git a/parser_test.go b/parser_test.go
index 70f8051..c1e348f 100644
--- a/parser_test.go
+++ b/parser_test.go
@@ -163,6 +163,13 @@
 	}
 }
 
+func TestNewlinesInArrays(t *testing.T) {
+	tree, err := Load("a = [1,\n2,\n3]")
+	assertTree(t, tree, err, map[string]interface{}{
+		"a": []int64{int64(1), int64(2), int64(3)},
+	})
+}
+
 func TestMissingFile(t *testing.T) {
 	_, err := LoadFile("foo.toml")
 	if (err.Error() != "open foo.toml: no such file or directory") {