v0.2.0

Minor changes:

• Default plotting colours have been improved
• for alluvial_wide() stratum fill color of variable determining flow is now matched with flow color
• parameter_label_size allows to adjust the label fint size, as a result label size has been slightly increased

New features:

• marginal histograms
• alluvial flavoured partial dependency and model response alluvial plots
• new datasets mtcars2, quarterly_sunspots

Bug Fixes:

• Compatibility with recipes 0.1.5
• NA values in numerical columns are excepted
• correct ggplot2 and ggalluvial versions added as dependencies
• p$data_key does not contain comlumns with empty levels anyomore
• better support for numerical variables for alluvial_long()