Fix git DAG browsing

• Old algorithm wasn't able to browse a complex graph, so it was not possible to fetch commits between 2 revisions not in the same branch

Fix issue when retrieving current folder

v2.1.1

fix(cmd/check) : default current folder wasn't populated

v2.1.0

test(cmd/version_test) : fix

v2.0.0

• Add check message command to check a raw message
• Add check commit command to check a single commit id
• Switch old check command to check command
• Add practical section in README

First release

v1.0.0

feat(version) : 1.0.0