v0.7.3

Changelog

[97c7b63] minor #147 docs: fix typos in documentation (ArnaudLigny)
[dc701a9] minor #151 [CI] Upgrades (ogizanagi)
[b4dfbc8] minor #150 [Deps] Add Stopwatch to the required deps (ogizanagi)
[07ff876] minor #149 [Docs] Add cookbook for exposing a 404 page (ogizanagi)
[f599b93] bug #152 Check project is a git dir before attempting to use last commit info for files (ogizanagi)