New: USART support added. INITUSART and HSerSend only
New: USART.H with AVRDx support
New: DAT file with USART support and [AvrMasks]
New: Add tabs to AVR ASM to aid reading
New AVRDx: Support leading TABs in DAT file.
New AVRDx: Support for bit masks, bit positions in DAT file.
CuriosityLoader.exe updated to resolve USB drive slowness
Fix: Improved chip frequency validation and syntax improvement.
Updated AVRDx chip to correct ProgWords
