Update most utilities for latest Rust
Remove MANY warnings
dirname fix according from_utf8 return option now
fix wc due from_utf8 changes and resolve warnings
basename: use fail instead of writeln to stderr
update cat for current Rust syntax with ugly errors handling
replace writing to stderr with fail
Merge branch 'master' of git://github.com/Heather/coreutils into Heather-master
crash! macros
use crash! macro in echo
Implement seq

Fixes #81
Merge pull request #82 from dmac/seq

Implement seq
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
Merge pull request #69 from Heather/master

Important changes! [ Mostly due language Syntax changes ]