Changelog:

• open(): don't use universal 'U' mode
• Switched broken pypip.in badges to shields.io
• __future__ imports must occur at the beginning of the file
• if file not exist show message
• Add Python 3 trove classifiers

Signed-off-by: Algent Albrahimi <algent@protonmail.com>

By using subliminal download a subtitle:

$ subliminal download -l en The.Big.Bang.Theory.S05E18.HDTV.x264-LOL.mp4

Then use python-pysrt commands for "Shifting", "Spliting" and "Rescaling":

$ srt -i shift 2s500ms The.Big.Bang.Theory.S05E18.HDTV.x264-LOL.en.srt
$ srt split 58m26s The.Big.Bang.Theory.S05E18.HDTV.x264-LOL.en.srt
$ srt -i rate 23.9 25 The.Big.Bang.Theory.S05E18.HDTV.x264-LOL.en.srt