Bump http-parser to v2.9.0

Author: 1st1

Makefile

@@ -1,4 +1,4 @@
-.PHONY: compile release test
+.PHONY: compile release test distclean
 
 
 compile:
@@ -12,3 +12,9 @@ release: compile test
 
 test:
 	python3 -m unittest discover -s tests -v
+
+
+distclean:
+	git --git-dir="./vendor/http-parser/.git" clean -dfx
+	find ./httptools/parser -name '*.c' | xargs rm
+	find ./httptools/parser -name '*.html' | xargs rm