updated 0.1.10

Managing state of asynchronous updates as a simple dart representation.

0.1.10

• Added mapUpdate method.

0.1.9

• Added Update.combine function.

0.1.7

• Fixed expirationDate.

0.1.6

• Added expirationDate and expirationDuration.

0.1.5

• Fixed maybeMap.

0.1.4

• Added maybeMap and hasSucceeded to Update.

0.1.3

• Added default constructor for Updated.

0.1.2

• Added the UpdateNotifier<T>.

0.1.1

• Updated documentation.

0.1.0

• Initial version