460 multiple results

[cdeline]

trackerdict[index][Results] updated to not over-write if you run analysis1axis multiple times. Fixes #460.

• [ ] Code changes are covered by tests
• [x] Code changes have been evaluated for compatibility/integration with GUI
• [x] New functions added to __init__.py
• [x] manualapi.rst is up to date, along with other sphinx docs pages
• [x] Example notebooks are rerun and differences in results scrutinized
• [x] Updated changelog

[cdeline]

Fixes #405 too.