Separate FlashbotsWallet from Wallet and improve v0.2 compatibility

v0.1.9

Fix exports for new FlashbotsWallet class

Support for Flashbots 0.2

v0.1.8

Add support for Flashbots 0.2

More informative Flashbots error messages

v0.1.7

Print more informative Flashbot RPC errors (#20)

Allow raw tx strings in Flashbots bundles

v0.1.6

Allow raw transaction strings in Flashbots bundles (#19)

Fix uint64 typing issue with flashbots relay

v0.1.5

Fix uint64 typing issue with Math.floor instead of toFixed (#18)

Fix simulate functionality for flashbots

v0.1.4

Fix flashbots simulate and increment version (#17)

Add simulate functionality to flashbots provider

v0.1.3

Add simulate functionality to flashbots provider (#15)

Add Flashbots relay provider

v0.1.2

Add Flashbots provider (#12)

Fix replacement tx gas incrementing

v0.1.1

Fix replacement tx gas incrementing (#11)

Robust dumping and ws auto-reconnect

Robust dump and ws auto-reconnect (#10)

* Safety checks to prevent multiple dumps; ws auto-reconnect

* Update version no.

* Fix websocket closing