Bump to v4.0.0.

initial.js

@@ -0,0 +1,20 @@
+import dropRight from './dropRight';
+
+/**
+ * Gets all but the last element of `array`.
+ *
+ * @static
+ * @memberOf _
+ * @category Array
+ * @param {Array} array The array to query.
+ * @returns {Array} Returns the slice of `array`.
+ * @example
+ *
+ * _.initial([1, 2, 3]);
+ * // => [1, 2]
+ */
+function initial(array) {
+  return dropRight(array, 1);
+}
+
+export default initial;