Milestone 3.0.0

[ksuderman]

An über issue used to track preparations for an eventual 3.0.0 release.

• Issue Exception Handling #18 The Serializer class should rethrow caught exceptions not swallow them silently (requires breaking change).
• Issue Remove deprecated packages #46 Remove deprecated classes and packages. See the TODOs for a complete list.
• Issue Exception for View.getContains(String) #51 View.getContains(String) should throw if found object is not Contains or a Map