v0.4.0

Bumped! 🕣

Diff: v0.3...v0.4.0

Changes:

• Travis: drop PHP 7.1 [559cc9e] (@f3l1x)
• Readme: typos [9492810] (@cniry)
• Kodiakbot [33e0754] (@f3l1x)
• Readme: polished [bbae524] [d46d4d4] [07e8a9f] (@petrparolek)
• Travis CI -> GitHub Actions [0508000] (@petrparolek)
• Codestyle: improvements (#28) [1c0604b] (@petrparolek)
• Repaired in DatabazeAnalyzer.php array key "Extra" to lowercase [178e833] (@f3l1x)
• Added examples from playground [dff272a] (@petrparolek)
• Composer: nette v3, inflector v2 [af692b1] (@f3l1x)
• Codesniffer: fixes [92bfb9c] (@f3l1x)