Spade 0.18.0

Added

• [!637 (merged)][!637 (merged)] Refine standard library
• !577 (merged) Added trait associated types
• !612 (merged) Added int::bits_for and uint::bits_for type-level functions
• !624 (merged) Types can now be defined inside units

Fixed

• !609 (merged) Fix alias flattening system to avoid codegen bugs with inlining enabled
• !610 (merged) Enforce trait requirements on types even if they are not explicitly instantiated
• !622 (merged) Fixed handling of -. by the compiler, now it can be used in code
• !629 (merged) Fix codegen bug with aliases and resets

Changed

• !607 (merged) Remove the port type distinction. This is superseded by a Data trait.
• !611 (merged) Missing mod name; extern module declarations now produce warnings instead of errors
• !612 (merged) uint_bits_to_fit type-level functions emit a deprecation warning
• !623 (merged) Renamed --omit-stdlib-and-prelude to --omit-stdlib