few small fixes

.gitignore

+.idea
 .eggs
 .cache
 build

edosl0util/split.py

@@ -36,7 +36,7 @@ def split_stream(stream, minutes):
             cur_bucket = pkt_bucket
 
         # this is an append operation
-        buf += pkt.bytes()
+        buf.extend(pkt.bytes())
         pkt_count += 1
 
     yield cur_bucket, pkt_count, buf

edosl0util/stream.py

@@ -99,7 +99,7 @@ class BasicStream(object):
             data = self._read(data_size)
         else:
             data = None
-            self.fobj.seek(data_size, os.SEEK_CUR)
+            self.file.seek(data_size, os.SEEK_CUR)
         return self.Tracker(h1, h2, total_size, offset, data)