Introduce TimeAxis object

Zebedee Nichollsrequested to merge
time-axis into 22-flux-variable-handling

Description

Checklist

Please confirm that this pull request has done the following:

  • Tests added
  • Documentation added (where applicable)
  • Changelog item added to changelog/ (filling in changelog in anticipation of merging !44 (merged))
Edited by Zebedee Nicholls

Merge request reports