semilattice-script

Example

```rust use semilattice_script::*;

let dir="./ss-test/"; if std::path::Path::new(dir).exists(){ std::fs::removedirall(dir).unwrap(); std::fs::createdirall(dir).unwrap(); }else{ std::fs::createdirall(dir).unwrap(); }

let mut ss=SemilatticeScript::new(dir).unwrap();

let mut ss=SemilatticeScript::new(dir).unwrap();

ss.exec(r#" Noah US Liam US Olivia UK "#);

let r=ss.exec(&(r#"

find persons.
"#));

```