Bump to v3.6.0.

internal/baseSum.js

@@ -0,0 +1,21 @@
+define(['./baseEach'], function(baseEach) {
+
+  /**
+   * The base implementation of `_.sum` without support for callback shorthands
+   * and `this` binding.
+   *
+   * @private
+   * @param {Array|Object|string} collection The collection to iterate over.
+   * @param {Function} iteratee The function invoked per iteration.
+   * @returns {number} Returns the sum.
+   */
+  function baseSum(collection, iteratee) {
+    var result = 0;
+    baseEach(collection, function(value, index, collection) {
+      result += +iteratee(value, index, collection) || 0;
+    });
+    return result;
+  }
+
+  return baseSum;
+});