Add du to Makefile
Remove du from to-do list
Get basic functionality to work
Getting it to display the correct directory size
Implemented a few more options
Add formatting-related logic
Correctly calculate file size using number of blocks
Adding partial support for formatting time
Fixing time format string
Fix programs for latest Rust and begin usage of new utility macros
Merge pull request #88 from Arcterus/master

Fix programs for latest Rust and begin usage of new utility macros
truncate: get file size using file stat
Add a way to prevent building of programs on Windows
users: port to Mac
Merge pull request #91 from Arcterus/makefile

Add a way to prevent building of programs on Windows
Merge pull request #89 from Arcterus/truncate

truncate: get file size using file stat
Merge pull request #90 from Arcterus/users

users: port to Mac
Add status image and move users to Unix-specific commands
hostname implementation
Add -h help and -V version flags