Generated by applying these commands to parent commit:
sed -i -e 's/\([a-z0-9]\+\).push_transaction[(]\([^()]*\)[)]/PUSH_TX( \1, \2 )/' tests/tests/*.cpp
sed -i -e 's/\([a-z0-9]\+\).push_block[(]\([^()]*\)[)]/PUSH_BLOCK( \1, \2 )/' tests/tests/*.cpp
Declare, but not yet implement, account_upgrade_operation which can
upgrade accounts to members.
Resolve#21 by removing all the sketchy pointer arithmetic stuff
