bugfix for training datasets specified as filelist.txt files (in PlanarLarvae.jl)
support for ** wildcards in training dataset path; e.g. /path/to/repository/**/groundtruth.label
dependencies updated
version upper bound on Makie set in the Project.toml file, for easier install with julia 1.6
2 extra tests: testTrainSelectedFiles and testTrainRecursiveSelection