This is a major backwards-incompatible update. All chainweb-data users need to delete their DB and rebuild from scratch. Major changes include:

• DB fills in several hours instead of several days
• New command fill replaces the old backfill and gaps commands
• The server command now has a -f option which will run fill once a day to fill any gaps in the block data
• New tables for events and transaction signers
• Standardized to storing base64url values with no padding (i.e. the '=' at the end)
• Fixed a bug where parent block hashes were stored instead of the block hash

Adds events table and provides the following new queries/endpoints:

• tx which is a "tx detail" search by request key returning a single result, with full events
• events which is an event search supporting the following params (along with limit and offset):
  • param for param text wildcard search
  • requestkey for exact request key search
  • name for event name wildcard search (e.g. "TRANSFER")
  • idx for exact event idx search (meaningless without requestKey but oh well)

• Added support for chainweb-node's new separated P2P and Service APIs being served on separate ports.
• Added ability to rate limit the gaps and backfill commands with a --delay commandline option.

• The transactions table now stores the entire PayloadWithOutputs structure, not just the smaller Payload.

Initial release.