fixed deadlock in client
optimized mutex usage
added a missing print statement
used the environment feature to start ruby commands, we don't need to spawn a shell anymore :)
patch shebangs on both tar and zip archives
assign exit and signal values to child when it does not have a receiver.
kill asynchromous gem install task if exit for errors.
fixed skipping first environment variable.
use '#' as delimeter character in sed commands with URL that contains slashes
kill it gracefully