hoisting the alias definitions up into a function, so we can track them and eventuall...

hoisting the alias definitions up into a function, so we can track them and eventually unload all of them automatically.  added a similar method for exported variables, also completely simplistic at this point.  all usages that seemed appropriate for setting up using the new alias function have been moved over, and things are still working as far as i can tell at this point up until the point when things break which is probably pretty soon, but oh well, progress...