hgrecco/pint — pull request #20 by muggenhor (2013-04-30 17:07:17+00:00)
Title: bug fix + new units/prefixes

* Adds short-hand unit prefixes for power-of-two prefixes
* Adds a definition of standard liters/min (used to express flow rate in gasses)
* Fix a bug where two different `Quantity`s would *never* compare less than the other