v0.0.7

make last added tab the default one when creating widgets (close #96)

v0.0.6

remove wigets from panel following #126

v0.0.5

don't normalize widget keys (close #123)

v0.0.4

don't clear the widgets when `clear-all` is called (close #122)

v0.0.3

have NumericInputKind instantiate NumericInput (fix #118)

v0.0.2

fix identification of last tab in order (close #116)

v0.0.1

remove a few println