3.0.2
Improve | add Cmd+Down and Cmd+Upshortcuts to work in Sidebar
Fix | export to PDF shows title bar and sidebar in the exported document
Fix | writing in Korean doesn't work #412
Fix | create file Cmd/Ctrl+Enter in file navigator Cmd/Ctrl+T doesn't work
Fix | Cmd+Z can throw error in some rare cases
Fix | title bar doesn't indicate if file is modified under Linux