Redone tests

./codecov is a stalled version for code coverage. It will be merged with main when the library is done with breaking changes

tests/codecov/Makefile

@@ -0,0 +1,24 @@
+CC = gcc
+CFLAGS = -std=c11 -Wall -Wextra
+CFLAGS += -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-unused-label
+CVFLAGS = --coverage -O0
+INCLUDE = ../../src/
+
+main: FORCE
+	$(CC) main.c -o main $(CFLAGS) $(CVFLAGS) -I $(INCLUDE)
+	./main
+	gcov ./main.c
+
+dev: FORCE
+	$(CC) main.c -o main $(CFLAGS) $(CVFLAGS) -I $(INCLUDE)
+	./main
+	gcov ./main.c -n
+	rm *.gcda *.gcno *.exe
+
+windev: FORCE
+	$(CC) main.c -o main $(CFLAGS) $(CVFLAGS) -I $(INCLUDE)
+	./main
+	gcov ./main.c -n
+	del *.gcda *.gcno *.exe
+
+FORCE: