Fixes:
- Farcopy has DS and ES inverted
Changes:
- Implemented stack segment and stack pointer reader: t.stack(), t.stackptr()
- Implemented instruction pointer reader: t.instrptr();
- Implemented BOCHS Emulator Magic Breakpoint: t.bochsbrk()
- Implemented Processor Flags manipulation functions: t.getflags(), t.setflags(FLAGS);