add small test case, fix Makefile

Makefile

@@ -2,5 +2,5 @@ default:
 	$(MAKE) lib
 
 lib: bfilter.c bfilter.h
-	$(CC) -g -DLIB -c -fpic -Wall -Wextra -pedantic -Wpointer-arith -Werror -std=c99 -lfnv -lm -L. -O3 ./bfilter.c -Wl,-rpath,/;
+	$(CC) -g -DLIB -c -fpic -Wall -Wextra -pedantic -Wpointer-arith -std=c99 -lfnv -lm -L. -O3 ./bfilter.c -Wl,-rpath./;
 	$(CC) -shared -o bfilter.so bfilter.o;

bfilter.py

@@ -61,3 +61,14 @@ class BloomFilter:
 
     def __getitem__(self, key):
         return lib.bfilter_get(self.bitset, key.encode("UTF-8"), self.k) == 1
+
+
+if __name__ == "__main__":
+    test = BloomFilter()
+    print(test)
+    test.add("one")
+    test.add("two")
+    test.add("three")
+
+    assert test["three"]
+    assert not test["four"]