Fixed release command.

Author: Tonye Jack

Makefile

@@ -18,6 +18,6 @@ create-new-release:
 	@echo "Increasing version..."
 	@echo "Current version $(CURRENT_VERSION)"
 	@npm version $(PART) -m "Bumped from $(CURRENT_VERSION) to version %s"
-	@echo $(shell git describe "$(PREVIOUS_COMMIT_TAG)" --tags) > .version
+	@echo $(shell git describe "$(shell git rev-list --tags --max-count=1)" --tags) > .version
 	@echo "Increased version to $(shell cat .version)"