(*)~changed up makefile recipes, cleaned up README

Makefile

@@ -1,11 +1,14 @@
 CC=clang++
-CFLAGS=-pedantic -Wall -ggdb
+CFLAGS=-pedantic -Wall -ggdb -fsanitize=address
 VFLAGS=--show-leak-kinds=all --leak-check=full
 OUT=
 
-$(OUT): $(OUT).cpp
+$(OUT).out: $(OUT).cpp
 	$(CC) $(CFLAGS) $^ -o $@
 
-.PHONY: memcheck
-memcheck: $(OUT)
-	valgrind $(VFLAGS) ./$^;
+.PHONY: run
+run: $(OUT).out
+	./$^
+
+.PHONY: clean
+	rm -v *.out;