Changelog:
===========
PR #418: Replace OrderedDict with dict.
PR #426: Fix replace() method to use the derived class of an instance instead of Version class.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 84dc10e996)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
