Fix for segfaults with empty keys, a couple editions to allow building on iPhone devices.#12

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bmmcginty wants to merge 4 commits intoptoomey3:masterfrom bmmcginty:master

+24-10

Commits on Feb 11, 2014

propperly handle 0-length keychain items of type kSecClassKey
Brandon McGinty-Carroll
committed
add sign command to Makefile to allow for building and signing directly on IOS devices
Brandon McGinty-Carroll
committed
detect on-iphone compilation and adjust args accordingly, fix ldid to use $BIN
Brandon McGinty-Carroll
committed

Commits on Mar 11, 2014

fix spacing
Brandon McGinty-Carroll
committed