Refactored tests

tests/Makefile

@@ -0,0 +1,11 @@
+CC=gcc
+CFLAGS=-Wall -fprofile-arcs -ftest-coverage -g -O0
+INCLUDE=-I ../src
+
+main:
+	$(CC) ./main.c $(INCLUDE) $(CFLAGS) -o $@.exe
+	valgrind --leak-check=yes ./$@.exe
+	gcov -p main.gcda
+
+clean:
+	rm ./*.gcov ./*.gcda ./*.gcno ./*.exe -f