Use hash_file('sha1', $foo) instead of sha1_file().
Matches the code in composer/composer which is used to verify the checksum.
Merge pull request #73 from till/bugfix/sha1-is-incorrect

Use hash_file('sha1', $foo) instead of sha1_file().
Compute and show dependencies in the html output
Add links to dependencies
Update deps, fixes #64
symfony/process is not required

I searched around but couldn't see this component used anywhere in the codebase.
Merge pull request #74 from kriswallsmith/patch-1

symfony/process is not required