int is dead, long live long type!

ml.h

@@ -98,7 +98,7 @@ public:
     MlValue();
 
     // Constructs an integer
-    MlValue(int i);
+    MlValue(long i);
 
     // Constructs a floating point value
     MlValue(double f);
@@ -141,7 +141,7 @@ public:
     bool as_bool() const;
 
     // Get this item's integer value
-    int as_int() const;
+    long as_int() const;
 
     // Get this item's floating point value
     double as_float() const;
@@ -224,7 +224,7 @@ private:
     } type;
 
     union {
-	int i;
+	long i;
 	double f;
 	Builtin b;
     } stack_data;