v3.0.0

SummaryTables v3.0.0

Diff since v2.0.2

Merged pull requests:

• Group overalls for table_one (#30) (@jkrumbiegel)
• Overall -> Total rename (#31) (@jkrumbiegel)
• Mark header as such in docx to repeat it across pages (#32) (@jkrumbiegel)
• test show_total and show_overall (#33) (@jkrumbiegel)
• Footnotes with linebreaks (#34) (@jkrumbiegel)
• Prepare version 3.0.0 (#37) (@jkrumbiegel)

Closed issues:

• table_one: "Overall" collumn for each category in "groupby", multiple "groupby" (Question / Feature request) (#7)
• Cells with Multilines don't merge (#28)