Selecting people
Help

addPerson add  siblings (add relation improve)

findRelative

findRelation - extend

Draw distinct regions of a tree
Draw spouses' relatives if main has none

Color

Partialy visible people
Scrolling
Zooming

Visualization:
- proper horizontal navigation

Compilation
- static and dynamic ncurses

?
- same person can be present twice

Backend
- move to SQLlite
- backup