Initial commit.
Merge branch 'master' of https://github.com/jlburgos/programming_languages

Merging local repo with github.
practice
git mv worked it seems
added ext to file
added another file
moved practice files to the practice/ directory and deleted test file used for playing with git
add readme
renaming some dirs
updated readme
getting rid of old version of hw1 from last year
testing something

testing the --amend option
undo
simplified algorithm
Added some stub files for hw0 and modified hw1 and hw2 files.
Moved all sml files to a new subdirectory.
Adding dr racket files.
removed some duplicate files and moved practice files to new directory
Adding hw0.