| Subject: | Version numbers must never decrease |
In some package management systems 2.1401 > 2.15
version numbers should compare greater both numerically -and- as a
string.
you should not go fro a 5 digit version number/string to a 3 digit one.
stick to one scheme, as decreasing lengths can cause problems with some
downstream distributors.
for a more detailed explanation read
https://rt.cpan.org/Public/Bug/Display.html?id=54897