Update v1.0.6

vendor/guzzlehttp/psr7/Makefile

@@ -0,0 +1,29 @@
+all: clean test
+
+test:
+	vendor/bin/phpunit $(TEST)
+
+coverage:
+	vendor/bin/phpunit --coverage-html=artifacts/coverage $(TEST)
+
+view-coverage:
+	open artifacts/coverage/index.html
+
+check-tag:
+	$(if $(TAG),,$(error TAG is not defined. Pass via "make tag TAG=4.2.1"))
+
+tag: check-tag
+	@echo Tagging $(TAG)
+	chag update $(TAG)
+	git commit -a -m '$(TAG) release'
+	chag tag
+	@echo "Release has been created. Push using 'make release'"
+	@echo "Changes made in the release commit"
+	git diff HEAD~1 HEAD
+
+release: check-tag
+	git push origin master
+	git push origin $(TAG)
+
+clean:
+	rm -rf artifacts/*