Repository: devsnd/tinytag

Issue:
Fail to read track_total, but it is ok in foobar
I got some tracks from qobuz.
I have some problems in reading the track_total. It showed 'null' in track_total. The others is OK, such as artist, album etc....
But its track_total seems OK, when checked in foobar.
Why?
The attachment are an example flac file
[19. I m Not The Man You Think I Am.zip](https://github.com/devsnd/tinytag/files/10875229/19.I.m.Not.The.Man.You.Think.I.Am.zip)


Discussion:
coveralls: 
[![Coverage Status](https://coveralls.io/builds/58050516/badge)](https://coveralls.io/builds/58050516)

Coverage: 96.526%. Remained the same when pulling **a55cd8fe31fe817bf97eec06c14dc4020fbb370d on mathiascode:vorbis-comment-total** into **85a16fa18bcc534d1d61f10ca539955823945d5d on devsnd:master**.


Patch:
diff --git a/tinytag/tinytag.py b/tinytag/tinytag.py
index a7a8a21..8ba376d 100644
--- a/tinytag/tinytag.py
+++ b/tinytag/tinytag.py
@@ -924,8 +924,10 @@ class Ogg(TinyTag):
             'artist': 'artist',
             'date': 'year',
             'tracknumber': 'track',
+            'tracktotal': 'track_total',
             'totaltracks': 'track_total',
             'discnumber': 'disc',
+            'disctotal': 'disc_total',
             'totaldiscs': 'disc_total',
             'genre': 'genre',
             'description': 'comment',


Test patch:
diff --git a/tinytag/tests/test_all.py b/tinytag/tests/test_all.py
index 8f4421c..0b70517 100644
--- a/tinytag/tests/test_all.py
+++ b/tinytag/tests/test_all.py
@@ -230,7 +230,7 @@ testfiles = OrderedDict([
          'track': '1', 'disc': '1', 'title': 'Bad Apple!!', 'duration': 2.0, 'year': '2008.05.25',
          'filesize': 10000, 'artist': 'nomico',
          'album': 'Exserens - A selection of Alstroemeria Records',
-         'comment': 'ARCD0018 - Lovelight'}),
+         'comment': 'ARCD0018 - Lovelight', 'disc_total': '1', 'track_total': '13'}),
     ('samples/8khz_5s.opus',
         {'extra': {}, 'filesize': 7251, 'channels': 1, 'samplerate': 48000, 'duration': 5.0}),