v0.12.4

Forgot to do a release for 0.12.3 so that one will never exist

What's Changed

• improve error handling, fix for #232 by @OnnoEbbens in #233
• 236 plotssection plot futurewarning series getitem treating keys as positions is deprecated by @HMEUW in #237
• Add tmin and tmax for knmi stations by @martinvonk in #239
• New minor release 0.12.3 by @OnnoEbbens in #240
• Release v0.12.4 by @dbrakenhoff in #244

Full Changelog: v0.12.2...v0.12.4