Instantiate and return the site. This will be used for all commands

def make_site_obj(argdict):
    '''Instantiate and return the site. This will be used for all commands'''
    d = os.getcwd() #'.'
    if 'directory' in argdict:
        d = argdict['directory']
    try:
        s = s2site.Site(d)
    except:
        print "Could not instantiate site object."
        sys.exit()
    return s