Added truncate
Handle lowercase letters
Properly support --no-create for truncate
Removed truncate from the to-do list
Changed truncate to use multi-line println!
truncate: added simple tests
Update for latest Rust
cat: fix tests
Merge pull request #77 from Arcterus/master

Update most utilities for latest Rust
Merge pull request #84 from Arcterus/fix-cat-tests

cat: fix tests
Merge pull request #73 from Arcterus/truncate

Added truncate
Fix typo in README
Fix programs for latest Rust and begin usage of new utility macros