Boa 0.3.0

Boa is a Javascript lexer, parser and Just-in-Time compiler written in Rust. Currently, it has support for some of the language.
Documentation
language: rust
rust:
  - stable
  - beta
cache: cargo
before_script:
  - rustup component add rustfmt clippy
script:
  - cargo fmt --verbose -- --check
  - cargo clippy --verbose
  - cargo test --verbose