v0.2.1

What's Changed

• Implement solana wallet by @mohanson in #1
• Add default commitment for rpc by @mohanson in #2
• Switch to avage fork by @mohanson in #3
• Refactor wallet by requisition by @mohanson in #6

Full Changelog: https://github.com/mohanson/pxsol/commits/v0.2.1