Second release candidate for 0.9.4
Summary of changes
- 16ec796 REL: 0.9.4rc1 release (#459)
- 645eeb8 API Support spectrumPlot(..., by=None|"max") (#457)
- d8c9d8c DOC Add entry to changelog 0.9.4rc1: pspec xsplot
- e71bf29 BUG Support more values like pspec on xsplot reader