Feature : Add original filename to generated filename hash ?

It can become hard to read when you look at stacktraces with a lot of rewritten files. If they could be suffixed with the original filename (and shorter/incremental hash ?) it could be a blast.

```
C:/Users/../AppData/Local/Temp/04d60cd179c04742b6f4a2f89b2deeba.SourceCodeCombined.cs:800)
MoreLinq.MoreEnumerable:ForEach>> (System.Collections.Generic.IEnumerable`1>>,System.Action`2>, int>) (at C:/projects/morelinq/MoreLinq/ForEach.cs:57)
Characters.View.UnitGameStatsView__Patched_:OnPreviewStat (Characters.View.UnitPreviewStatSignal) (at C:/Users/../AppData/Local/Temp/04d60cd179c04742b6f4a2f89b2deeba.SourceCodeCombined.cs:783)
Characters.View.UnitGameStatsView__Patched_:OnEventObject (Characters.View.UnitPreviewStatSignal) (at C:/Users/../AppData/Local/Temp/04d60cd179c04742b6f4a2f89b2deeba.SourceCodeCombined.cs:747)
```

into

```
C:/Users/../AppData/Local/Temp/04d60cd179c0474.UnitGameStatsView.cs:800)
MoreLinq.MoreEnumerable:ForEach>> (System.Collections.Generic.IEnumerable`1>>,System.Action`2>, int>) (at C:/projects/morelinq/MoreLinq/ForEach.cs:57)
Characters.View.UnitGameStatsView__Patched_:OnPreviewStat (Characters.View.UnitPreviewStatSignal) (at C:/Users/../AppData/Local/Temp/04d60cd179c0474.UnitGameStatsView.cs:783)
Characters.View.UnitGameStatsView__Patched_:OnEventObject (Characters.View.UnitPreviewStatSignal) (at C:/Users/../AppData/Local/Temp/04d60cd179c0474.UnitGameStatsView.cs:747)
```