Refactor update-version, pyinst.py and related files

* Refactor update-version
* Moved pyinst, update-version and icon into devscripts
* pyinst doesn't bump version anymore
* Merge pyinst and pyinst32. Usage: `pyinst.py [32|64]`
* Add mutagen as requirement
* Remove make_win and related files

devscripts/update-version.py

@@ -0,0 +1,31 @@
+from __future__ import unicode_literals
+from datetime import datetime
+# import urllib.request
+
+# response = urllib.request.urlopen('https://blackjack4494.github.io/youtube-dlc/update/LATEST_VERSION')
+# old_version = response.read().decode('utf-8')
+
+exec(compile(open('youtube_dlc/version.py').read(), 'youtube_dlc/version.py', 'exec'))
+old_version = locals()['__version__']
+
+old_version_list = old_version.replace('-', '.').split(".", 4)
+
+old_ver = '.'.join(old_version_list[:3])
+old_rev = old_version_list[3] if len(old_version_list) > 3 else ''
+
+ver = datetime.now().strftime("%Y.%m.%d")
+rev = str(int(old_rev or 0) + 1) if old_ver == ver else ''
+
+VERSION = '.'.join((ver, rev)) if rev else ver
+# VERSION_LIST = [(int(v) for v in ver.split(".") + [rev or 0])]
+
+print('::set-output name=ytdlc_version::' + VERSION)
+
+file_version_py = open('youtube_dlc/version.py', 'rt')
+data = file_version_py.read()
+data = data.replace(old_version, VERSION)
+file_version_py.close()
+
+file_version_py = open('youtube_dlc/version.py', 'wt')
+file_version_py.write(data)
+file_version_py.close()