Inserts @child into @self at position @position.
If position is -1, or larger than the number of pages, @child will be appended to the end.
a widget to add
the position to insert @child in.
0.0.11
See Implementation
Inserts @child into @self at position @position.
If position is -1, or larger than the number of pages, @child will be appended to the end.