added clearViewingHistory(movieID,seriesAll,callback) addressing issue …

…LBBO#14

lib/netflix2.js

@@ -205,6 +205,33 @@ Netflix.prototype.__getViewingHistory = function (page, callback) {
   })
 }
 
+/**
+ * Clears viewhing history for a specific movie or series
+ * @param movieID  - the ID of the movie (e.g. 80057281 for "Stranger Things")
+ * @param seriesAll - true if you want to clear the whole series, false otherwise
+ */
+Netflix.prototype.clearViewingHistory = function (movieID, seriesAll, callback) {
+  this.__clearViewingHistory(movieID, seriesAll, callback);
+}
+
+Netflix.prototype.__clearViewingHistory = function (movieID, seriesAll, callback) {
+  var options = {
+    body: {
+      movieID: movieID,
+      seriesAll: seriesAll,
+      authURL: this.authUrls[constants.yourAccountUrl]
+    },
+    method: 'POST'
+  }
+  var endpoint = constants.viewingActivity
+  this.__apiRequest(endpoint, options, function (error, response, json) {
+    if (error) {
+      return callback(error)
+    }
+    callback(null, json)
+  })
+}
+
 Netflix.prototype.__setRating = function (isThumbRating, titleId, rating, callback) {
   var endpoint = isThumbRating ? constants.setThumbRatingEndpointUrl : constants.setVideoRatindEndpointUrl
   var options = {