Include missing files in sdist

[thatch]

Include missing files in sdist for #76

Tested with

+++ mktemp -d
++ D=/tmp/tmp.KXPw2HZUXD
++ trap 'rm -rf /tmp/tmp.KXPw2HZUXD' EXIT
++ python -m venv /tmp/tmp.KXPw2HZUXD
++ python setup.py sdist -d /tmp/tmp.KXPw2HZUXD
running sdist
running egg_info
writing ffsubsync.egg-info/PKG-INFO
writing dependency_links to ffsubsync.egg-info/dependency_links.txt
writing entry points to ffsubsync.egg-info/entry_points.txt
writing requirements to ffsubsync.egg-info/requires.txt
writing top-level names to ffsubsync.egg-info/top_level.txt
reading manifest file 'ffsubsync.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
writing manifest file 'ffsubsync.egg-info/SOURCES.txt'
running check
creating ffsubsync-0.3.7
creating ffsubsync-0.3.7/ffsubsync
creating ffsubsync-0.3.7/ffsubsync.egg-info
copying files to ffsubsync-0.3.7...
copying HISTORY.rst -> ffsubsync-0.3.7
copying MANIFEST.in -> ffsubsync-0.3.7
copying README.md -> ffsubsync-0.3.7
copying requirements-dev.txt -> ffsubsync-0.3.7
copying requirements.txt -> ffsubsync-0.3.7
copying setup.cfg -> ffsubsync-0.3.7
copying setup.py -> ffsubsync-0.3.7
copying ffsubsync/__init__.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/aligners.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/constants.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/file_utils.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/generic_subtitles.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/speech_transformers.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/suboffset.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/subsync.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/subtitle_parser.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/subtitle_transformers.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync/version.py -> ffsubsync-0.3.7/ffsubsync
copying ffsubsync.egg-info/PKG-INFO -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/SOURCES.txt -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/dependency_links.txt -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/entry_points.txt -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/not-zip-safe -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/requires.txt -> ffsubsync-0.3.7/ffsubsync.egg-info
copying ffsubsync.egg-info/top_level.txt -> ffsubsync-0.3.7/ffsubsync.egg-info
Writing ffsubsync-0.3.7/setup.cfg
Creating tar archive
removing 'ffsubsync-0.3.7' (and everything under it)
++ cd /
++ /tmp/tmp.KXPw2HZUXD/bin/pip install /tmp/tmp.KXPw2HZUXD/ffsubsync-0.3.7.tar.gz
Processing /tmp/tmp.KXPw2HZUXD/ffsubsync-0.3.7.tar.gz
Collecting argparse (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/f2/94/3af39d34be01a24a6e65433d19e107099374224905f1e0cc6bbe1fd22a2f/argparse-1.4.0-py2.py3-none-any.whl
Collecting cchardet (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/88/f3/0db5b64fecac9d77302604eb8404807755e8882d3d31bbf33d037861e642/cchardet-2.1.6-cp38-cp38-manylinux2010_x86_64.whl (244kB)
Collecting ffmpeg-python (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/d7/0c/56be52741f75bad4dc6555991fabd2e07b432d333da82c11ad701123888a/ffmpeg_python-0.2.0-py3-none-any.whl
Collecting future (from ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/45/0b/38b06fd9b92dc2b68d58b75f900e97884c45bedd2ff83203d933cf5851c9/future-0.18.2.tar.gz
Collecting numpy>=1.12.0 (from ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/cf/5d/e8198f11dd73a91f7bde15ca88a2b78913fa2b416ae2dc2a6aeafcf4c63d/numpy-1.18.4-cp38-cp38-manylinux1_x86_64.whl
Collecting pysubs2 (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/89/1b/128901eaa32629a40378014210e783ce5e927e245c10fbc54f05fffc963d/pysubs2-0.2.4-py3-none-any.whl
Collecting scikit-learn>=0.20.4 (from ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/47/14/c094698b7dd17cd2e289974a78d6d2df78c0d9eb0ac4d8d5fad255aaf977/scikit_learn-0.23.1-cp38-cp38-manylinux1_x86_64.whl
Collecting six (from ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/65/eb/1f97cb97bfc2390a276969c6fae16075da282f5058082d4cb10c6c5c1dba/six-1.14.0-py2.py3-none-any.whl
Collecting srt>=3.0.0 (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/c4/bb/ab238cb0650efc544c26e63c00166db186e997c03b32eab4ad2b93a29ff2/srt-3.0.0.tar.gz
Collecting tqdm (from ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/c9/40/058b12e8ba10e35f89c9b1fdfc2d4c7f8c05947df2d5eb3c7b258019fda0/tqdm-4.46.0-py2.py3-none-any.whl
Collecting webrtcvad (from ffsubsync==0.3.7)
  Downloading https://files.pythonhosted.org/packages/89/34/e2de2d97f3288512b9ea56f92e7452f8207eb5a0096500badf9dfd48f5e6/webrtcvad-2.0.10.tar.gz (66kB)
Collecting scipy>=0.19.1 (from scikit-learn>=0.20.4->ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/f3/08/8bdcdcd149ea41b655956feb7c19ebf7e1f561738bd5570b6ae015daf411/scipy-1.4.1-cp38-cp38-manylinux1_x86_64.whl
Collecting threadpoolctl>=2.0.0 (from scikit-learn>=0.20.4->ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/db/09/cab2f398e28e9f183714afde872b2ce23629f5833e467b151f18e1e08908/threadpoolctl-2.0.0-py3-none-any.whl
Collecting joblib>=0.11 (from scikit-learn>=0.20.4->ffsubsync==0.3.7)
  Using cached https://files.pythonhosted.org/packages/b8/a6/d1a816b89aa1e9e96bcb298eb1ee1854f21662ebc6d55ffa3d7b3b50122b/joblib-0.15.1-py3-none-any.whl
Installing collected packages: argparse, cchardet, future, ffmpeg-python, numpy, pysubs2, scipy, threadpoolctl, joblib, scikit-learn, six, srt, tqdm, webrtcvad, ffsubsync
  Running setup.py install for future: started
    Running setup.py install for future: finished with status 'done'
  Running setup.py install for srt: started
    Running setup.py install for srt: finished with status 'done'
  Running setup.py install for webrtcvad: started
    Running setup.py install for webrtcvad: finished with status 'done'
  Running setup.py install for ffsubsync: started
    Running setup.py install for ffsubsync: finished with status 'done'
Successfully installed argparse-1.4.0 cchardet-2.1.6 ffmpeg-python-0.2.0 ffsubsync-0.3.7 future-0.18.2 joblib-0.15.1 numpy-1.18.4 pysubs2-0.2.4 scikit-learn-0.23.1 scipy-1.4.1 six-1.14.0 srt-3.0.0 threadpoolctl-2.0.0 tqdm-4.46.0 webrtcvad-2.0.10
WARNING: You are using pip version 19.2.3, however version 20.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
++ echo Success
Success
+++ rm -rf /tmp/tmp.KXPw2HZUXD

[smacke]

Looks great, thank you!