bench-graph-0.1.4: Changelog.md

## 0.1.4

* Fix a bug resulting in a bogus error, something like "Field [time] found at
  different indexes.." even though the field has exactly the same index at all
  places.

## 0.1.3

* Add maxrss plotting support

## 0.1.2

* Fixed a bug that caused missing graphs in some cases when multiple iterations
  of a benchmark are present in the bechmark results file.

* Better error reporting to pinpoint errors when a problem occurs.

## 0.1.1

* Support GHC 8.4

## 0.1.0

* Initial release