Importing in XCode 4.3+#7

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gvkhna wants to merge 4 commits intosamuraisam:masterfrom

gvkhna:master

Commits on Mar 8, 2012

moving macro function out of header because of ARC bitching
Gaurav Khanna
committed
fixed linker error for _uuid & EXC_BAD_ACCESS on bad obj comparison
Gaurav Khanna
committed

Commits on Mar 9, 2012

fixed JSON header not found
Gaurav Khanna
committed

Commits on Mar 10, 2012

fixed annoying warnings
Gaurav Khanna
committed