solidity-lib 2.8.0

[Arvolear]

Potential list of tasks

• Memory utils library
• Refactor StringSet to DynamicSet
• AVL data structure
• EdDSA signature verification
• BigInt library
• Fix presets (initializer function -> internal onlyInitializing)
• Optimized array (3 address elements use 2 slots)
• Protocol-wide pausable/reentrancy guards
• ContractsRegistry versionable
• Major optimization of code
• UniswapV2Oracle upgrade. Support multiple paths for the same tokens (return an array of prices). Support bestPrice(in, out) method