SSM can be run:
	on Linux and MacOS, but Windows
	with python2 and python3


(1) Download the whole directory "SSM"

(2) Install:
		$ cd SSM
		$ python setup.py install

(3) Usage (2 ways):
		On shell: SSM --help
		Python script: 
			from SSM import SSM
			diffuse, source, catalog = SSM(freq=, nside=, catalog=, Smin=, name=, verbose=, inSSMpath=,)
