1.3.0

• added ability for devtool to move history backwards and forwards

1.2.0

• added hooks for devtool
• ensure production builds do not include devtool

1.1.0

• added ability to read from state component with .value
• added ability for child state components to delete itself
• fixed cdn build names

1.0.0

• implemented createState, which returns an StateProvider, GlobalState, addState
• support react and preact
• cdn builds