0.9.0

What's Changed

• Suggested heads support by @approxit in #188
• Add the actual hash cracker example running on ray by @shadeofblue in #199
• Fix support for the payment_driver configuration parameter by @shadeofblue in #201
• Upgrade for golem-core changes by @lucekdudek in #206
• GPU support + examples by @shadeofblue in #203
• run init instead of fund on mainnet by @shadeofblue in #213
• downgrade yagna to 0.13.3

Full Changelog: 0.8.0...0.9.0