Merge pull request #172 from jayrbolton/patch-1

Add some more external module links

README.md

@@ -734,6 +734,12 @@ Modules listed with names in the format `flyd/module/filter` are builtin to the
 | [**flyd-mergeAll (with high order streams)**](https://github.com/bertofer/flyd-mergeAll) | rxjs-like implementation of [mergeAll](http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-mergeAll) for flyd. |
 | [**flyd-once**](https://github.com/bertofer/flyd-once) | Only emits the first value of the source stream. |
 | [**flyd-withLatestFrom**](https://github.com/bertofer/flyd-withLatestFrom) | When the source observable emits, the value also contains the latest value from withLatestFrom parameter stream. |
+| [**flyd-zip**](https://github.com/jayrbolton/flyd-zip) | Zip streams together into arrays of values |
+| [**flyd-undo**](https://github.com/jayrbolton/flyd-undo) | An undo/redo utility for saving and restoring state in flyd |
+| [**flyd-ajax**](https://github.com/jayrbolton/flyd-ajax) | An ajax utility that returns flyd streams |
+| [**flyd-xstate**](https://github.com/jayrbolton/flyd-xstate) | Integration of flyd with xstate Harel Statecharts |
+| [**flyd-windowresize**](https://github.com/jayrbolton/flyd-windowresize) | Get a stream for the window size |
+| [**flyd-stream-querystring**](https://github.com/jayrbolton/flyd-stream-querystring) | Manage the URL query params using flyd streams |
 | **Time related** |
 | [flyd/module/**every**](module/every) | Takes a number of milliseconds t and creates a stream of the current time updated every t. |
 | [flyd/module/**aftersilence**](module/aftersilence) | Buffers values from a source stream in an array and emits it after a specified duration of silence from the source stream. |