Dmitry Martynov

Better report equalTo assertion errors for lists

3

```scala assert(Array(1,2,3))(equalTo(Array(1,3))) ``` produces ``` [I@2414c261 did not satisfy equalTo([I@3b1616ba) ``` For example, `unittest` in Python reports a similar assertion error like: ``` AssertionError: Lists differ: [1, 2, 3] !=...

To fix an issue with a custom implicits module due to `OptionFormat` being an inner class of `StandardFormats` breaking the match in `ProductFormats.productElement2Field` when custom module implicits are used: https://github.com/spray/spray-json/blob/a2b4986d17f8cc9c9080ecf46af8f69dc72be1d5/src/main/scala/spray/json/ProductFormats.scala#L46...

With current API, it's not clear how to implement graceful shutdown of an application where e.g. a published state needs to be committed to DB after a successful commit to...