v0.19

What's Changed

• Code snippet to search for author of a given institution by @raffaem in #70
• Better document random and sample by @raffaem in #73
• Code to check whether the API key is working by @raffaem in #78
• Document standard for country codes by @raffaem in #74
• Add OpenAlex Premium authentication test by @J535D165 in #80
• Warn that code only downloads first 25 works by @raffaem in #81
• Fix a couple of bugs by @PeterLombaers in #89
• Give the logger the name pyalex by @raffaem in #82

Full Changelog: v0.18...v0.19