Orphan blocks deserialised when loaded from file

Signed-off-by: Andrew Miller <amiller@dappervision.com>
Merge pull request #4 from amiller/master

Fixed bug for loading orphans from file
Fixed two bugs in transaction validation.

Signed-off-by: Andrew Miller <amiller@dappervision.com>
Merge pull request #5 from amiller/master

fix transaction validation bugs
Merge branch 'master' of http://github.com/cmsc417/cbitcoin

Pulling in transaction validation bug fixes.