[MRG] make scrapy.version_info a tuple of integers #681
One nice thing about Python 3 porting is that it exposes this kind of errors :)
+1 I think it is fine to break backward compatibility in this case, I can't see any other way.
My only doubt is if it is worth using a NamedTuple to mimic
we can at least add attribute access for major, minor and micro values.