* add expressions for min and max M and Z - including tests
* add my info to contributors.json
* Apply suggestions from code review
suggestions to help for expressions from Nyall
Co-Authored-By: Nyall Dawson <nyall.dawson@gmail.com>
* Apply suggestions from code review
add suggestions to qgsexpressionfunction.cpp from Nyall
Co-Authored-By: Nyall Dawson <nyall.dawson@gmail.com>
* [feature][expressions] - fix expressions Z/M min and max
* [feature][expressions] - fix styling Z/M min and max expressions
Co-authored-by: Nyall Dawson <nyall.dawson@gmail.com>