eliminate duplication with the README.md discussion
move messages to debug logging and trim command before checking for :exit
setup pipe_reply for communication from CUR and TRY to VISOR
straighten columns in signum.rs
basic ctrl-d (EOF) exiting, ctrl-c handling still needs to print a newline
cleanup signum.rs
cleanup un-needed uses
reorg and better control-c handling
add TODO for RUST_THREADS=1
eliminate old unused code
setenv RUST_THREADS=1
cleanup and stub out .s and ..
add the bsd licensed libedit library for command line editing/history
get compilation using -fPIC
merge with upstream
fix compilation