Add information about actionsWhitelist parameter

Author: zalmoxisus

README.md

@@ -86,6 +86,7 @@
   - **deserializeAction(action): transformedAction** (*function*) - optional transformation of actions deserialized from debug session (useful if actions are not plain object. Example: immutable-js action payload)
     - action, transformedAction - Redux action objects
   - **actionsBlacklist** (*array*) - actions to be hidden in DevTools. Overwrites corresponding global setting in the options page.
+  - **actionsWhitelist** (*array*) - all other actions will be hidden in DevTools. Overwrites corresponding global setting in the options page.
   - **actionsFilter** (*function*) - function which takes `action` object and id number as arguments, and should return `action` object back. See the example bellow.
   - **statesFilter** (*function*) - function which takes `state` object and index as arguments, and should return `state` object back.
       Example of usage: