v2.1.0

New features in v2:

• CLI
  • new command for creating new projects
  • build command for running cargo build
  • test command for running cargo test
  • clean command for running cargo clean
• Refined account validation logic
  • Renamed to_ prefix to as_
  • Renamed check to assert
  • Added assert_err and assert_msg variations
• Hidden PDA bumps
  • All helpers implicitly calculate bumps
  • _with_bump helpers provided for devs who want to manually manage bumps
• Event loggers
  • Add .log() to any event to log with sol_log
  • Add .log_return() to any event to return with set_return_data
• Lamport transfer helpers
  • collect function to collect lamports from signers and non-program owned accounts
  • send function to send lamports from program owned accounts
• More SPL helpers
  • Helper functions for freeze burn, mint, initialize_mint commands