Added performance optimisation code
Apple LLVM compiler – Code Generation : Optimization Level = Fastest, Smallest [-Os]
Apple LLVM compiler – Code Generation : Unroll Loops = No
User-Defined : GCC_THUMB_SUPPORT = YES
Linking : Dead Code Stripping = Yes
Deployment : Strip Linked Product = Yes
Apple LLVM compiler – Code Generation : Generate Debug Symbols = No
Apple LLVM compiler – Code Generation : Generate Position-Independent Code = No
changed latitude and longitude to strings