Added comments in Internal call tree

https for debug node

working websocket support; implement eth_subscribe; eth_unsubscribe; eth_getLogs

Update test runner to report accounts via callback

cleanup

update README

cleanup

Bump version

Fix swarm hash extraction

Bump version

Init remix-simulator

Bump version

Fix sending non state changing call

This lets the library user decide how that integration works (whether
they want to report the accounts or not.) Also, report time more precisely instead of rounding up.

Refactored the tests and removed a dependency.