Enhancement: Added "related information" diagnostic for attempts to override methods in incompatible manner and overrides for @Final methods.
Bug FIx: Fixed regression in type evaluator that broke completions in cases where there was a parse error (e.g. when typing a dot as part of a partially-completed member access expression).
Bug FIx: Fixed type inference of "self" and "cls" parameters for methods in a Protocol class so they are not reported as unknown.
Bug FIx: Fixed crash due to hover provider accessing an unreachable node.