Bump to v3.8.0.

internal/baseIsEqual.js

@@ -16,8 +16,7 @@ define(['./baseIsEqualDeep'], function(baseIsEqualDeep) {
   function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
     // Exit early for identical values.
     if (value === other) {
-      // Treat `+0` vs. `-0` as not equal.
-      return value !== 0 || (1 / value == 1 / other);
+      return true;
     }
     var valType = typeof value,
         othType = typeof other;