Squashed commit of the following:

commit 42f47074d02a48cdde27991b6936d6d36428ace0
Author: Mattt Thompson <m@mattt.me>
Date:   Sun Aug 12 11:26:10 2012 -0400

    Fixing body = body = typo

commit 7560cdf696d8252a4fd331b8522a8aa86607259c
Author: Kevin Harwood <kevin.harwood@mutualmobile.com>
Date:   Mon Apr 30 14:58:15 2012 -0500

    Fixed issue to allow HTTP body to be properly displayed

commit a05301f3e6ae72b27f95789414e568731a3e3307
Author: Kevin Harwood <kevin.harwood@mutualmobile.com>
Date:   Mon Apr 30 14:56:35 2012 -0500

    Added Response Headers to DEBUG log
Changing allHTTPHeaderFields to allHeaderFields (thanks, @Prothmaler)
Fixing allHeaderFields vs. allHTTPHeaderFields for NSURLRequest
remove AFN dependency version limit in podspec.
Made class compatible with ARC
Log elapsed time between request and response
Merge pull request #5 from fannheyward/master

remove AFN dependency version limit in podspec.
Merge pull request #6 from AlbertTong/master

Updated class to be compatible with ARC
[Issue #10] Setting AFNetworking requirement to be >= 0.9

Signed-off-by: Mattt Thompson <m@mattt.me>
Creating version 0.9.1, which builds with ARC
Merge branch 'elapsed-time' of https://github.com/0xced/AFHTTPRequestOperationLogger into 0xced-elapsed-time
Changing NSTimeInterval back to representing seconds, and adjusting output format of float accordingly

Re-indenting
Removing unnecessary @private ivar declaration in header
[Issue #9] Adding filterPredicate property, to ignore operations matching the provided criteria
Bumping version to 0.10.0
Fix the [nan s] bug
Merge pull request #12 from 0xced/fix-nan

Fix the [nan s] bug