Revamped clickable command specs; must now end in space to append argument; docs updated
2to3 transtion, part 1: imports
2to3 transtion, part 2: raw_input
2to3 transtion, part 3: print, list, map, iteritems, basestring
2to3 transtion, part 4: hmac/bytes, gimage, ec2...
2to3 transtion, part 5: more scripts