diff --git a/FileReader.py b/FileReader.py
index 96c5e61..08f8899 100644
--- a/FileReader.py
+++ b/FileReader.py
@@ -3,69 +3,26 @@ import time
 import threading
 
 def readfile(filename, start_at_end=True, exit_on_eof=False, parsingBackend=None):
-    last_round_end  = None
+
     f = open(filename)
-    count = 0
     
     if start_at_end:
         f.seek(0,2)
     
-    # outer loop, continue reading rounds #
-    while True:
-        # reset #
-        round_lines = []
-        last_line_was_winner = False
-
-        ## try to read in a full round ##
-        seek_start = True
-        while True:
-            old_line_nr = f.tell()
-            line = f.readline()
-            
-            # if no line or incomplete line, sleep and try again #
-            if not line:
-                if exit_on_eof:
-                    return
-                time.sleep(5000)
-                continue
-            elif not line.endswith("\n"):
-                f.seek(old_line_nr)
-                time.sleep(5000)
-                continue
-
-                    
-            if seek_start and not "round_start_active" in line and line:
-                continue
-            elif "round_start_active" in line:
-                seek_start = False
-            elif "plugin unloaded" in line:
-                round_lines = []
-                seek_start = True
-                continue
-
-
-            # and line and stop if it was round end #            
-            round_lines += [line]
-            if last_line_was_winner and not parsing.is_round_end(line):
-                f.seek(f.tell()-1,0)
-                break
-            elif parsing.is_round_end(line):
-                last_round_end = line
-                break
-            elif parsing.is_winner_event(line):
-                last_line_was_winner = True
-
-        # parse and evaluate round #
-        r=parsing.parse_round(round_lines)
-        if not r:
-            continue
-        try:
-            TS.evaluate_round(r)
-        except Warning as e:
-            pass
+    try:
+        if cpus > 1:
+            raise NotImplementedError("Multiprocessing not implemeted yet")
+        else:
+            if callable(parsingBackend):
+                parsingBackend(f)
+            else:
+                parsingBackend.parse(f)
+    except TypeError:
+        raise RuntimeError("parsingBackend musst be callable or have .parse() callable")
+    
     f.close()
 
-def readfiles(filenames,start_at_end=True,nofollow=False):
+def readfiles(filenames, parsingBackend, start_at_end=True, nofollow=False):
         for f in filenames:
-            threading.Thread(target=readfile,args=(f,start_at_end,nofollow,)).start()
-
+            threading.Thread(target=readfile,args=\
+                            (f, start_at_end, nofollow, parsingBackend)).start()
diff --git a/insurgencyParsing.py b/insurgencyParsing.py
index 8f94ceb..2eeeb11 100644
--- a/insurgencyParsing.py
+++ b/insurgencyParsing.py
@@ -8,8 +8,59 @@ def is_plugin_output(line):
 def is_winner_event(line):
     return "0x42,winner" in line
 def get_key(dic,key):
-     tmp = list(dic)
-     return tmp[tmp.index(key)]
+    tmp = list(dic)
+    return tmp[tmp.index(key)]
+
+
+def group_rounds(f, exit_of_eof=True):
+	last_round_end = None
+    seek_start = True
+    while True:
+        old_line_nr = f.tell()
+        line = f.readline()
+        
+        # if no line or incomplete line, sleep and try again #
+        if not line:
+            if exit_on_eof:
+                return
+            time.sleep(5000)
+            continue
+        elif not line.endswith("\n"):
+            f.seek(old_line_nr)
+            time.sleep(5000)
+            continue
+
+                
+        if seek_start and not "round_start_active" in line and line:
+            continue
+        elif "round_start_active" in line:
+            seek_start = False
+        elif "plugin unloaded" in line:
+            round_lines = []
+            seek_start = True
+            continue
+
+
+        # and line and stop if it was round end #            
+        round_lines += [line]
+        if last_line_was_winner and not parsingBackend.is_round_end(line):
+            f.seek(f.tell()-1,0)
+            break
+        elif parsing.is_round_end(line):
+            last_round_end = line
+            break
+        elif parsing.is_winner_event(line):
+            last_line_was_winner = True
+
+    # parse and evaluate round #
+    r=parsing.parse_round(round_lines)
+    if not r:
+        continue
+    try:
+        TS.evaluate_round(r)
+    except Warning as e:
+        pass
+
 
 def parseRoundFromLines(r):