fix: voted-for not reset on becoming candidate
fix: match-index was off by one when updated
fix: request-vote message was not sending last-log-index/term
fix: symbols in messages, randomized election timeout
fix: tests, stray println
dev: added test placeholder
fix: reset does not take id arg. Bug in storage of clients address in execute. Bug in next-index argument to appended event
dev: async sockets. Cleaned up dispatching logic.