changed some weird errors in old rshell
setting up piping logic
working on testing/implementing >, >>, and <
>, >>, < working (if used once)
<<< working for hardcoded string, outline in place
saving before major refactor
<<<, <, >, >> working (some bugs)
multiple >, <, >> works
2>, 2>>, <<< with whitespace working
hw2 commit, things updated