v0.3.1

Bumped! 🥖

Diff: v0.3.0...v0.3.1

Changes:

• Readme: url typo [6d8c38e] (@f3l1x)
• unify syntax in readmes (#6) [2ebac5d] (@petrparolek)
• Codestyle: improvements (#7) [9a43683] (@petrparolek)
• upgrade PHPStan [7b355a2] (@petrparolek)
• fixed composer link [e7e1062] (@petrparolek)
• Composer: upgrade league/oauth2-facebook [6085d52] (@f3l1x)