Skip validation on iOS < 5.0, unless someone can provide NSJSONSerialization replacement w/ iOS 4.x compatibility
new verification logic and small fixes
removed NSLog's
Merge pull request #12 from jbweimar/master

New Verification Logic
Fixed checking for null-dereference of outError
Added a note about sandbox vs deployment. Fixes #11
Added an explicit license, as 'public domain' has varying meanings (or no meaning) in some international contexts. No change in the code's use or lack of attribution requirements for binary distributions.
Fixed public domain base 64 code. Fix by MarkCSmith. FIxes issue #14
good job. small typo.
Merge pull request #15 from fangzhzh/patch-1

good job. small typo.
Add in my fixes (all superseded)
Merge commit 'd8b384203cb32d2ec92af9da2c4828dfd43efb7d'

Conflicts:
	RRTransactionVerifier.h
	RRTransactionVerifier.m