Release 0.5.4

[lerno]

-### Changes / improvements

• Hash variables may now take a designated initializer.
• Added @safemacro to override the @ requirement for non-function-like macros.
• More information available with debug log in non debug builds.
• Removed install_win_reqs.bat which didn't work well.
• Support ** to mean ./**
• MacOS init/finalizer now respects priority.
• Bitstructs supports != and ==.
• Support Windows .def files using --windef.
• Bitstructs now fold compile time constant bit ops.
• Fix issue where in some cases a constant global with a string wasn't folded (e.g. in asm stmts)
• Lateral implicit imports removed.
• Default to '.' if no libdir is specified.
• Improved error messages for --lib.
• Added --linker to set the linker Allow selection of the linker executable #1067.

Fixes

• Fixes to macro context evaluation with macro varargs.
• Dynamic methods registered before init functions on MacOS.
• Fixed clobber on x86 cpuid instruction.
• Removed invalid syntax from grammar.y.
• output project setting now respected.
• Aliased declarations caused errors when used in initializers.
• Aliased consts used as constant initializers caused errors.
• Exported module names replace :: by _.
• Const ternary would evaluate incorrectly for ?:
• $$MODULE would report the incorrect module name in macros.
• Fixed debug info for globals and for/switch scopes.
• out now correctly detects subscript[] use.
• Ambiguous recursive imports are now correctly detected.
• Overzealous local escape check corrected Error when returning &array[index]  #1127.
• Fixes to the matrix functions Fixing row major for some matrix functions #1130.

Stdlib changes

• Deprecated Allocator helper functions.
• Added mem::allocator functions corresponding to removed allocator functions.
• Changed mem::new / mem::temp_new to accept an optional initializer, and will clear by default.
• Mem _clear and _zero variants deprecated. "new_*" functions will clear by default.
• Mem "alloc_" functions replace old "new_" behaviour.
• Fixed temp memory issue with formatter.
• Added temp_push and temp_pop for pushing / popping the temp allocator manually (or from C).
• Added byte_size to List
• Added GenericList.

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This discussion was created from the release Release 0.5.4.