v0.5.2

Enabled to use shopt -s extglob and shopt -u extglob

🍣 ls
builtins  builtins.rs  data.rs	history.rs  jobtable.rs  shopts.rs
🍣 shopt extglob
extglob         on
🍣 echo @(b)*.rs
builtins.rs
🍣 shopt -u extglob
🍣 shopt extglob
extglob         off
🍣 echo @(b)*.rs
Unexpected token: (