Merge pull request #22 from florencejt/refactor/traintestsplit

Refactor/traintestsplit: Adding train test split customisability to the data loading

Added JOSS paper and bib file ready for submission

cleaning up rogue print statement from refactoring metrics

Merge pull request #16 from florencejt/refactor/metricchoices

Refactor/metricchoices: User-defined validation metrics

Merge pull request #14 from florencejt/refactor/params

Changing the inputs to be separate parameter arguments rather than a parameter dictionary

Cleaned documentation, added thumbnails to image-less examples, stand…

…ardised model docstrings

Reduced size of some method figures

Reduced size of some method figures

Delete .vscode directory

adding to gitignore