Resolve "data handler FIR filter"

See merge request !295

Resolve "Implement Callback to track epoch-runtime"

Closes #312

See merge request !307

Resolve "FileExistsError in Cleanup / DataHandler Build"

See merge request !305

Resolve "IntelliO3 implementation into MLAir"

Closes #310

See merge request !303

Merge branch 'lukas_issue308_tech_max-number-of-parallel-processes' into 'lukas_issue306_feat_data-handler-fir-filter'

Resolve "TECH: max number of parallel processes"

See merge request !301

added param max_number_multiprocessing to set maximum number of processes to use, /close #308 on test success

Merge branch 'lukas_issue289_feat_cnn-model-class' into 'lukas_issue306_feat_data-handler-fir-filter'

include cnn class

See merge request !300

Resolve "create CNN model class"

See merge request !271