Grzegorz

- fix crash when fetching IPA for certain words
- fix: remove transcription marks (`/`, `[` and `]`) from IPA spellings when
fetching them
- fix: transliterate all affricates with a tie (IPA: `'͡'`)
- refactor: precompute "interesting differences" instead of hardcoding them
- parse sounds common to the English IPA
- add "interesting differences" for sounds common to the English IPA

- rephrase paragraphs in README as to avoid ambiguity re: the word
'pronunciation'
- fetchipa: change the message printed to console slightly, to avoid ambiguity

- rename subcommands
- add `wordlist`, `fullmake` commands
- fix README-related issues
- add "Importing in Anki" section to README

- minimal pair generation:
- delimit IPAs into sounds, as to correctly process sounds whose computer
representation is composed of multiple letters: `d͡ʐ`, `t͡ɕ`, `xʲ` etc.
- parse `:` after certain sounds
- add more pairs of "interesting differences"
- add `ankideck` command to make an Anki deck with the minimal pairs, but no
audio

- add `fetchpron`, `createpairs` commands and options for them
- add usage information, roadmap, etc.

- initialise project (README, LICENSE, Changelog)