- copy & paste attributes
- more keyboard controls - thanks to Geowil
 - insert [Ins], delete [Del], copy [Ctrl-C] & paste [Ctrl+V]
 - switch view on vessels/kerbals [Ctrl+Enter]
 - from tree to attributes [Enter]
 - from attribute to edit value [Enter]
 - navigate attribute remaining in edit mode [Up]/[Down]
 - from edit value back to attributes [Enter]
 - from edit value back to attributes with undo [Esc]
 - from attributes back to tree [Esc]/Left
 - tooltip mentions that you were always able switch tabs [Ctrl+Tab]
- attributes in kerbals tab now with same functionality as in tree
- reduced warning noise on node attachments (e.g. my own giant ship)
- bugfix about paste command checking for clipboard content
- bugfix about duplicate attributes like name, type (testing copy & paste)
- tested with KSP 1.7.0 (just a quick test since I'm personally stuck at 1.3.1)