Nothing really changed

Compiler
 - Case-insensitive assembly commands
 - Labels: jz/jnz .label
 - `end` -> `endl`

Common:
 - CTRLIO.SYNC | CTRLIO.CIN for synchronous input (by default)
 - Unsupported HALT marked to remove
 - Not using IpEntry/ApEntry - not supported by HW
 -

Compiler:
 - Input/output file format autodetecting and new CLI options to override it
 - Removed extended commands support
 - Removed CTRLIO optimization (not supported by HW)
 - Reading (basic) assembly files
 - Support for writing hex files

Emulator:
 - Incrementing IP before command execution - as by HW