Imperial-dateutil

CHANGELOG
- support for plus operation between imperial format and timedelta.

>>> print(ImperialDatingSystem(0, 123, 456, 41) + timedelta(days=90000))
0333702.M41
>>> print(timedelta(days=90000) + ImperialDatingSystem(0, 123, 456, 41))
0333702.M41

CHANGELOG
- Standard dating system implemented

---

> The Emperor protects always and forever. He is the Omnissiah and will always live, always protect, always watch. He will protect all loyal to the Imperium and it is an honor to fight and die in the name of the emperor.