Update README and .gitignore.
diff --git a/.gitignore b/.gitignore
index c1a08e2..3601f27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,14 @@
 src/test_seeking/test_seeking
 src/test_streams/test_streams
 stamp-h1
+test/*.aiff
+test/*.raw
+test/*.rf64
+test/*.w64
+test/*.wav
+test/cuesheet.diff
+test/cuesheet.log
+test/metaflac-test-files/out.meta
+test/metaflac.flac
+test/picture.diff
+test/picture.log