Add more range API's.

src/packages/iter_basic.rs

@@ -542,10 +542,15 @@ mod range_functions {
         range.contains(&value)
     }
     #[rhai_fn(get = "is_inclusive", name = "is_inclusive", pure)]
-    pub fn range_is_inclusive(range: &mut ExclusiveRange) -> bool {
+    pub fn is_inclusive(range: &mut ExclusiveRange) -> bool {
         let _range = range;
         false
     }
+    #[rhai_fn(get = "is_exclusive", name = "is_exclusive", pure)]
+    pub fn is_exclusive(range: &mut ExclusiveRange) -> bool {
+        let _range = range;
+        true
+    }
     #[rhai_fn(get = "is_empty", name = "is_empty", pure)]
     pub fn is_empty(range: &mut ExclusiveRange) -> bool {
         range.is_empty()
@@ -571,4 +576,9 @@ mod range_functions {
         let _range = range;
         true
     }
+    #[rhai_fn(get = "is_exclusive", name = "is_exclusive", pure)]
+    pub fn is_exclusive_inclusive(range: &mut InclusiveRange) -> bool {
+        let _range = range;
+        false
+    }
 }