Release v1.4.0

See merge request !88

Refactoring - Data and IndividualData QoL

See merge request !80

[BROWSER] Support new ordinal models, fix old issues & other minor stuff

See merge request !79

[FIX] mixing-matrix is dynamically fetched, univariate models g is always array, reduce sources slider range

[BROWSER] Add support for ordinal model, fix univariate model and space-shift for logistic models, clean-up code and drop outdated examples

Feature - Data slice indexing, iterating and ID-based indexing

See merge request !75

Ordinal branch v2

See merge request !78

[REFACT, FIX] Refact and fix ordinal (ranking) related code: fix simulation distribution, loss for masked levels, and Plotter - improve ordinal_ranking coverage with new tests