Update gems
Formatting
Use xcoder from ArloL to fix testing
Include 64 bit in architecture
Use schemes instead of targets
Make schemes shared
Add custom run method that fails the build if the system command fails
Use fail to output a message and fail the build
Don't expose project variable
Formatting
Set architecture for iOS targets
Assume builds are always Release builds
Use 4 spaces for indentation
Update readme
Clean now only delete Build folder, ios/osx:clean do not delete the build folder