add_to_*_path functions take multiple libraries and paths as arguments
add_to_*_path functions take multiple libraries and paths as arguments

They used to take only paths and only one path at a time.

mbakthav/GreatCMakeCookOff,mbakthav/GreatCMakeCookOff,UCL/GreatCMakeCookOff,mbakthav/GreatCMakeCookOff,UCL/GreatCMakeCookOff,UCL/GreatCMakeCookOff,mbakthav/GreatCMakeCookOff,UCL/GreatCMakeCookOff