Results 4 issues of itsupera

For example, `split_okurigana("本当に", "ほんとうに")` places the furigana like so: 本(ほ)当(ん)に. I found a fork that corrects this issue: https://github.com/Kajen5/furigana/blob/master/furigana/furigana.py

Another mpv-based player (https://github.com/ripose-jp/Memento) uses youtube-dl in order to stream a video in the player. This does not seem possible in Voracious. Any chance this could be integrated?

I have tried to install the release 0.1 (IPADIC version) from the .ankiaddon file, but it looks like a library is missing. Here are the debug info: ``` Anki 2.1.49...

Hi, I have forked your library for a [project of mine](https://github.com/itsupera/furiganalyse), and made a few improvements and fixes in the process. Please consider merging it, or let me know which...