Implement KeyChain functionality
2014-12-29 17:25:36.077 KeyChainTest[13863:525481] Successfully added data
2014-12-29 17:25:36.079 KeyChainTest[13863:525481] Data is = Happy1
2014-12-29 17:25:36.081 KeyChainTest[13863:525481] Successfully updated data
2014-12-29 17:25:36.082 KeyChainTest[13863:525481] Data is = Happy2
2014-12-29 17:25:36.084 KeyChainTest[13863:525481] Successfully removed data