Final published version

Final version with edits during typesetting, etc.

Version sent to coauthors with Cell Systems reviewer responses

Review response refinement (#256)

* Proofed reviewer response.

* Minor tweaks.

* More refinement.

* More edits.

* Last text changes

* Minor fixes.

* Linting and fitting

* Add rapidcheck for testing

* Revert "Add rapidcheck for testing"

This reverts commit a331eff33c5013a8971eead3865325c30a822cea.

Version as submitted to Cell Systems

v0.4

Switch cover letter to Cell Systems.

First journal submission

v0.3

Cell type indices now static, color scheme changed for 4E

Second population check

Last point with the ability to test different expression levels.

Version to Falk and Anja

v0.1

More text edits.