semantic_version.Spec() does not have comparison methods
(ie, < or __lt__) so it should not be used for when
comparing two RequirementSpec objects.
So set the version_spec attr to cmp=False so RequirementSpec
doesn't use it for compare (and so cmps of Requirement that
then compare RequirementSpec dont use version_spec for cmp)
Add unit test for sorting/cmp on Requirement
Fixes: #255
ISSUE TYPE
Bugfix Pull Request
MAZER VERSION
name = mazer
version = 0.5.0
config_file = /home/adrian/.ansible/mazer.yml
uname = Linux, newswoop, 5.0.5-200.fc29.x86_64, #1 SMP Wed Mar 27 20:58:04 UTC 2019, x86_64
executable_location = /home/adrian/venvs/mazer_0.4.0_py36/bin/mazer
python_version = 3.6.8 (default, Jan 27 2019, 09:00:23) [GCC 8.2.1 20181215 (Red Hat 8.2.1-6)]
python_executable = /home/adrian/venvs/mazer_0.4.0_py36/bin/python
SUMMARY
Make version_spec not part of ReqSpec attr cmp
semantic_version.Spec() does not have comparison methods (ie,
<or__lt__) so it should not be used for when comparing two RequirementSpec objects.So set the version_spec attr to cmp=False so RequirementSpec doesn't use it for compare (and so cmps of Requirement that then compare RequirementSpec dont use version_spec for cmp)
Add unit test for sorting/cmp on Requirement
Fixes: #255
ISSUE TYPE
MAZER VERSION