Update Makefile with new naming

Makefile

@@ -1,10 +1,10 @@
 CFLAGS = -Wall -Wextra -I  src -MMD
 DIRGUARD = @mkdir -p $(@D)
 
-all: bin/pawg
+all: bin/pwgen
 -include obj/*.d
 
-bin/pawg: obj/main.o obj/libpawg.a
+bin/pwgen: obj/main.o obj/libpwgen.a
 	$(DIRGUARD)
 	gcc $(CFLAGS) -o $@ $^
 
@@ -17,15 +17,15 @@ clean:
 	rm -rf obj/ bin/
 
 .PHONY: test
-test: bin/pawg-test
+test: bin/pwgen-test
 
-bin/pawg-test: obj/test/main.o obj/test/test.o obj/libpawg.a
+bin/pwgen-test: obj/test/main.o obj/test/test.o obj/libpwgen.a
 	$(DIRGUARD)
 	gcc $(CFLAGS) -o $@ $^
 
 obj/test/%.o: test/%.c 
 	$(DIRGUARD)
 	gcc $(CFLAGS) -I thirdparty -c -o $@ $<
 
-obj/libpawg.a: obj/alphabetic.o obj/random.o obj/hash.o obj/sha1.o obj/input.o obj/password.o
-	ar rcs $@ $^
+obj/libpwgen.a: obj/alphabetic.o obj/random.o obj/hash.o obj/sha1.o obj/input.o obj/password.o
+	ar rcs $@ $^