Improved type coercions

ablescript/src/variables.rs

@@ -226,16 +226,10 @@ impl Value {
         match self {
             Value::Nul => Abool::Never,
             Value::Str(s) => match s.to_lowercase().as_str() {
-                "never" => Abool::Never,
+                "never" | "no" | "🇳🇴" => Abool::Never,
                 "sometimes" => Abool::Sometimes,
-                "always" => Abool::Always,
-                s => {
-                    if s.is_empty() {
-                        Abool::Never
-                    } else {
-                        Abool::Always
-                    }
-                }
+                "always" | "yes" => Abool::Always,
+                s => (!s.is_empty()).into(),
             },
             Value::Int(x) => match x.cmp(&0) {
                 std::cmp::Ordering::Less => Abool::Never,