Register Based VM (partial) and better regcode

[ammarbinfaisal]

No description provided.

[ammarbinfaisal]

call/return does not work
printing string segfault
for-in does not work

and many other things fail but saving progress here

[ammarbinfaisal]

now the issues mentioned in the previous comment are fixed

[ammarbinfaisal]

• print tuples and maps
• fix print for lists - comma separated enclosed in [ ]
• squash other bugs
• preemptive coroutine scheduling
• channels as mpsc lock free queues
• generational gc

[ammarbinfaisal]

merging before completing the vm