prefix to autoDescripton

[AknEp]

Generally, Objective-C Category methods should have prefix.

please see this entry. http://nshipster.com/namespacing/

[jasperblues]

👍 . . and here's some libs that preserve safety, while enabling short-hand with a macro:

• https://github.com/mysterioustrousers/MTDates
• https://github.com/jonreid/OCMockito