Started update to draft-07 spec, A*GCM now updated and tested.
Updated changelog.
Updated A*CBC+HS* to A*CBC-HS* algorithm
Fixed up the remaining tests to work with draft-07.
Started update to draft-08 spec. Added many more signing tests.
Updated tests for key encryption algorithms to draft-08 of the spec.
Now passes the test cases for draft-08 and corresponding specifications.
Added a bunch more encryption tests.
Fix up failing tests on less mainstream platforms
Merge pull request #1 from gregbeech/draft07

Update to draft-08 specification.