anyhow 0.5.0

Inspired by Rust's "anyhow" crate, this Dart package provides versatile error handling, implementing Rust's Result monad and "anyhow" crate functionality

0.5.0

• More extensions
• Better type matching
• intoUnchecked

0.4.0

• Separate Result into base Result and anyhow Result
• add "and" and "or"

0.3.1

• Initial public release