Finish to_lower and to_upper (hopefully)
treec13ff736fc678b679190f04791a19f1860575c08
-rw-r--r-- 741 .gitignore
-rw-r--r-- 55 README.md
-rw-r--r-- 85 libstring.pro
drwxr-xr-x - src
drwxr-xr-x - test