fixed a bunch of potential issues caused by possible collisions between function variables and environment variables. other minor fixes. added option to gprof.
fixed a bunch of potential issues caused by possible collisions between function variables and environment variables. other minor fixes. added option to gprof.

TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles