it lives!  JVM in Bash

for now it only has ~5 opcodes implemented, and one virtual method (println). So this is literally the minimal amount of Stuff to get a hello world working

next up, conditionals?

@domi oh what the fuck
@domi it is now tempted to implement python bytecode execution from bash now
@domi oh no. its previous project of compiling python code to bash builtins would make this really easy, it thinks.