Fixed gaufrette file source.
Change is_dir to file_exists.
Merge pull request #11 from cocoders/fix/gaufrette-file-source

Fixed gaufrette file source.
Fix markdown
Added checking if archive exists while creating a new one
Change behavior for archive and uploaded list.
Update features list
Fix for PullRequest
Fixed upload archive and list use cases.
Add architecture graph
Merge pull request #13 from cocoders/feature/docs

Update features list
Merge pull request #12 from cocoders/feature/checking_archive_existance

Added checking if archive exists while creating a new one
Update docs - add new tab - Architecture
Merge pull request #14 from cocoders/fix/upload-archive-list

Fix/upload archive list
Merge pull request #15 from cocoders/feature/architecture

Feature/architecture
Merge pull request #16 from cocoders/after-deadline

After deadline