Change the random() function.
Merge branch 'master' of https://github.com/dsmithhayes/pseudoperlin

Need to change the method for generating a random size seed for the turbulence.
Merge branch 'master' of https://github.com/dsmithhayes/pseudoperlin
Implimented the MAX_PPM_COL macro for the header of the PPM file, changed generate_random() function to random().