Create a fallback exit in the bug funs, mostly to get rid of warnings
Remove unnecessary include
Print stack trace on crash
Fix a bug, where ll_empty bumbs for intact LLs
Fix a bug, where LL.last is not initialized
Fix a bug, where ll_pop corrupts the list
Add nonblocking pop (ll_trypop) for Linked List
Fix a bug, where getfrbuf deadlocks if the IBuf recyclr is empty (like at the start, always)
Fix a bug, where putItok crashes for  filled LLs instead of empty ones
Correctly check stdin for EOF (==0 not git --git-dir=/home/mapc/pr0j/code/unix/annot/.git hash-object -w --stdin > /tmp/vwQXdjN/53...)
Fix a bug, where fmt for stdout lacks 'fugitive:///home/mapc/pr0j/code/unix/annot/.git//0/annot.c'
Write newline after each token
Add some todos