3.0.0

Increase version to 3.0.0

2.0.0

• Support null-safety

1.2.0

• Add MacOS support
• Fix Android crash

1.1.0

• Increase environment constraints
• Migrate to new Android flutter embedding and plugin binding
• Regenerate Podfile
• Update crypto dependency to 3.0.0
• Enable AndroidX for example app
• Use new platform specification