Fixing line merger problem

excluder.py

@@ -13,15 +13,9 @@ def add(incoming,input):
     crawler.sort(incoming)
 
 def add_file(incoming,excluded_in):
-    data= ""
-    with open(incoming) as fp:
-        data = fp.read()
-    with open(excluded_in) as fp:
-        data2 = fp.read()
-    data += "\n"
-    data += data2
-    with open (incoming, 'w') as fp:
-        fp.write(data)
+    with open(incoming, "wb") as outfile:
+           with open(excluded_in, "rb") as infile:
+                outfile.write(infile.read())
     with open(incoming, 'r') as f:
         lines = set(f.readlines())
     with open(incoming, 'w') as f: