z00m's speccy corner

• added few example utility macros in tests/macro_examples/sj_library.asm (neg r16)
• added SAVENEX SCREEN BMP sub-command to include BMP loading-screen
• added support for V1.3 of NEX file format (new commands: CFG3, PALETTE, COPPER, new screen modes)
• in lua scripts: sj.calc(..) (alias _c(..)) now substitutes defines and macro arguments
• error reporting inside LUA and MACRO refactored to give better info about origin of error
• macro-arguments parser now recognizes C++ numeric literals with apostrophe as digits-group separator
• the assembler will instantly exit when run at Big-Endian platform (the rest of code is broken on BE)
• updated syntax-highlight file for KDE5 editors (Kate)

Get it on Github or in Software section.