Fixed dependencies, bug fixes, testnet support, dataclasses in HTTP API

What's Changed

• Added testnet / bug fixed by @no-name-user-name in #4
• Convert API json data to dataclasses by @no-name-user-name in #5

New Contributors

• @no-name-user-name made their first contribution in #4

Full Changelog: v0.10...v0.11

Fixes

v0.10

.

Init & fixes

v0.9

Fixed payload