v0.9.0

[0.9.0] - 2021-04-09

Added

• Coll.indexOf, flatMap, forall IR nodes (evaluation, serialization) #220;
• Complete types serialization implementation #223;
• Tuple constructor evaluation and serialization #223;
• Type unification (SMethod specialization) #225;
• SigmaAnd, SigmaOr serialization #225;
• Contract::ergo_tree() in WASM API;
• decodePoint IR node (evaluation and serialization) #227;