new feature: temporary directory

• A filename with a "T/" prefix is considered a temporary file.
• Use I to represent a pipe |
• Use J for command-line separator ;

v0.3.0 Enable handling of /dev/null

What's new:

• . can now be used as /dev/null

Full Changelog: v0.2.3...v0.3.0

v0.2.2 First release

Now Installable with cargo :)

cargo install o-o