update readme
update readme
update readme
delete .xcodeproj
add .xcodeproj
Merge commit '93ac7cba9f9ba8481df4656734fd8a26b10c1b11'
add CocoaSecurity podspec
[fix]fix podspec
[fix]fix pod spec source tag
clear up code. only for ARC project.
update readme.
add license file
update project type, readme. remove GTMBase64.
Update README.md
Merge commit '1970626b66ac8a05f9c4dcb1c2ea1a03e24586a5'
Merge commit '90246517085f8fe6de08cb1e04aa4173d55feb52'
[update]update podspec
add Installation in readme
fixed issues #1. thanks @jasperblues

fixed bug in Base64 encode. (encode empty data)
clean up hex encode/decode.
Merge commit 'feb4413b8a45104f146b2e0884e5437f7496192b'