Resolve "set logging print mode"

See merge request !393

Resolve "custom dense layers in rnn"

See merge request !387

Resolve "add more logging to postprocessing"

See merge request !385

Resolve "Include Mann-Whitney U rank test"

See merge request !380

Merge branch 'lukas_issue353_feat_filter-dh-differentiate-extend_length_opts-and-offset' into 'develop'

Resolve "filter dh: differentiate between history offset and information offset"

See merge request !378

Merge branch 'lukas_issue358_bug_order-in-feature_importance_bootstrap_method-causes-crash' into 'develop'

Resolve "Bug: order in feature_importance_bootstrap_method causes crash"

See merge request !383

Resolve "REFAC: remove hard coded type dim from skill score"

See merge request !382

Merge branch 'lukas_issue356_feat_can-define-names-of-branches-to-use-in-feature-importance' into 'develop'

Resolve "can define names of branches to use in feature importance"

See merge request !381

use class variables for chem and meteo names, is now able to distinguish for all parameters of the data handler if provided as dict with respective keys, only use test stations for block mse calculation

filter works now, visualization has to be adjusted, there is a new parameter window_history_end that sets the end of the input sample

works for now on first tests, not checked is transformation and different combinations of offset and extend range

use either fir or clim fir filter for DataHandlerMixedSamplingWithClimateAndFirFilter depending if extend_length_opts is given or not

Resolve "add log if batch creation fails"

See merge request !377