addChild now has value parameter to match init

1.3.0

addChild now has value parameter to match init

getChildren methods consolidated for consistency

1.2.0

getChildren methods consolidated for consistency

renamed misleading function name

1.1.3

renamed misleading function name

fixed example in README

1.1.2

fixed example

Fix for doc correction after API changes.

1.1.1

fixed incorrect docs

Various changes to make the API more consistent

1.1.0

various changes to make api more consistent

First release

1.0.0

first commit