log, cmd/wavelet: add log.nocolor flag to disable color in logs (#434)

Add gossiping to share incoming transactions. (#429)

remove unnecessary fields from query results (#431)

log: add second to log timestamp format (#432)

ledger: force nodes to sample themselves (#428)

Refactor integration tests. (#424)

api: fix tests and prevent stale fastjson.Value living longer than fastjson.Parser from pool in (*Gateway).Write (#427)

ledger: allow FinalizeBlocks to gracefully stop (#426)

Fix memory leak in arena allocation in API, temporarily remove API message debouncing, and speed up logging state changes. (#425)

ledger: reduce cpu usage by using an exponential backoff delay when no block proposal could be made

snowball: reset preferred and last on Reset()

collapse: optimize processFinalizedTransactions to store finalized ids after pruning stale ids

sync: fix non-stoppable case in state sync. fixes #423.

Re-propose a block if sampling stalls. (#415)

Keep track of finalized transaction IDs in ledger state to prevent double spending upon state syncing, improve overall security of state syncing, cleanup state syncing code, and speed up transaction syncing. (#419)