fix: #4 add build python post version in master branch

Makefile

+CI_COMMIT_BRANCH ?= 'master'
+
+ifeq ($(CI_COMMIT_BRANCH), 'master')
+	EGG_INFO = egg_info --tag-date
+else
+	EGG_INFO =
+endif
+
 version:
 	$(eval GIT_TAG ?= $(shell git describe --abbrev=0))
 	$(eval VERSION ?= $(shell read -p "Version: " VERSION; echo $$VERSION))
@@ -6,7 +14,7 @@ version:
 	git tag -a -e -F Changelog-$(VERSION).txt $(VERSION)
 
 build-wheel:
-	python3 setup.py sdist bdist_wheel
+	@python3 setup.py $(EGG_INFO) sdist bdist_wheel
 
 publish-wheel:
-	twine upload dist/*
+	@twine upload dist/*