0.4.3

Libraries

• [@SquidDev] Fix slice returning multiple values from macros (and port to Urn).
• [@SquidDev] Port for-pairs/iter-pairs to Urn.
• [@SquidDev] Remove string/.. (replacing with native concat operator).
• [@SquidDev] Add try-var-lookup to compiler API.
• [@demhydraz] Add tripping, =:= and forall to the check library.
• [@SquidDev] Replace c[ad]r and c[ad]rs generation with unquote-splice.
• [@SquidDev] Convert setf!/over! to use compiler API.
• [@SquidDev] Allow binding multiple values using let*.

Compiler

• [@SquidDev] Fix several regressions which popped up when from porting from Lua.

Optimiser / Codegen

• [@SquidDev] Fix loop variables not being set when they have no corresponding expression.
• [@SquidDev] Fix generation of right associative operators.
• [@SquidDev] Run several optimisations over nested blocks (instead of just the top level).
• [@SquidDev] Fold multiple variable definitions into 1.
• [@SquidDev] Add simplistic top-level definition stripper.
• [@SquidDev] Only wrap operators in parentheses when needed.