This breaks backward compatibility for the wire protocol and messages
stored in the database. The database schema version has been
incremented.

The new format is simpler but less efficient for small integers, short
strings and short byte arrays.

This should make it possible to develop the core in Eclipse without the ADT.

CryptoModule with provider methods.

by registering ObjectReaders with the Reader.

Added accessors for the amount of raw data read and written by readers and writers - this fixes a fixme in MessageParserImpl.

Builders for incoming and outgoing headers and batches. The protocol and serial components can now be used to serialise, sign, deserialise and verify real bundles (except for message parsing).

Modifying Protocol Buffers (or Thrift, or MessagePack, or any of the free ASN.1 implementations I could find) to support length constraints was more work than writing a custom serialisation format, so I wrote a custom format.