Add process_info(error_handler)
Handle fnegate insn
Use tail call for undefined handler
Implement binary:match/2,3
Optimze ERT.box(int) a bit
Implement bs_utf8_size
Fix binary match state save functionality
Make null the tail marker
Make erlang:apply/3 in tail position be tail recursive
Implement process_flag(error_handler, _)

Now you can actually override a process' 
error handler if you so wish