v0.2.0 toml-only, harden concurrency and env export, dep updates

watch_test.go

@@ -516,4 +516,4 @@ func BenchmarkWatchOverhead(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		_, _ = cfg.Get(fmt.Sprintf("value%d", i%100))
 	}
-}
+}