Adding a pecial case when state is not empty and we have received request with zero-root digest

If zero-root digest is received and the current state is not empty, then
we immediately reply with the full-state message
3 files changed
tree: 3125b664e2d0e616f33b5eb6dff95becc675d133
  1. doc/
  2. examples/
  3. model/
  4. test/
  5. waf-tools/
  6. .gitignore
  7. waf
  8. wscript