RestKit/RestKit — pull request #1139 by AntonPalich (2013-01-09 07:30:29+00:00)
Title: Fixed issue with logging request HTTP body

[NSString stringWithUTF8String] accept NULL terminated C array of UTF8-encoded
bytes. But NSData stores encoded data not like NULL terminated string.
There is no problem on simulator, but on device HTTP body logging as (null)