cw4/stdlib: Add SSD_P_MASK
cw4/stdlib: Add bcd2ssd_p routine
cw4: Complete fib implementation
cw4/util: Fix some missing string casts
cw3/util: Allow multiple expressions per line
cw4/util: Don't expand tokens for .DEF directives
cw4: Add a .DEFP directive
cw4/stdlib: Define entry point politely
cw4/util: Ignore suffices and prefixes in expansion
cw4/util: Fix suffix matching regexp
cw4/assembler: Implement RBTRS instruction
cw4: Support multiple overriding labels
cw4: Update comment wording
cw4: Add an assembler context object
cw4: Merge ctx and prog
cw4: Add [CD]SEG_SIZE dynamic symbols
cw4: Rename dynamic macros
cw4/util: int2hex always returns length 'len'
cw4/util: Remove HTML tag popping logic
cw4/assembler: Implement multi-word instructions