added LabComm2013 as default version for python encoder and decoder

examples/wiki_example/example_decoder.py

@@ -4,7 +4,8 @@ import labcomm
 import sys
 
 if __name__ == "__main__":
-    d = labcomm.Decoder(labcomm.StreamReader(open(sys.argv[1])), sys.argv[2])
+    version = sys.argv[2] if len(sys.argv) == 3 else "LabComm2013"
+    d = labcomm.Decoder(labcomm.StreamReader(open(sys.argv[1])), version)
 
     while True:
         try:

examples/wiki_example/run

@@ -21,4 +21,4 @@ javac -cp ../../lib/java:. *.java
 # Run through all executables (c->java->Python)
 ./example_encoder one two
 java -cp ../../lib/java:. example_decoder_encoder example.encoded example.javaencoded
-PYTHONPATH=../../lib/python ./example_decoder.py example.javaencoded LabComm2013
+PYTHONPATH=../../lib/python ./example_decoder.py example.javaencoded 

lib/python/labcomm/LabComm.py

@@ -553,7 +553,7 @@ class Codec(object):
         
 
 class Encoder(Codec):
-    def __init__(self, writer, version):
+    def __init__(self, writer, version="LabComm2013"):
         super(Encoder, self).__init__()
         self.writer = writer
         self.versoin = version
@@ -634,7 +634,7 @@ class Encoder(Codec):
 #        self.pack("!i%ds" % len(s), len(s), s)
 
 class Decoder(Codec):
-    def __init__(self, reader, version):
+    def __init__(self, reader, version="LabComm2013"):
         super(Decoder, self).__init__()
         self.reader = reader
         self.version = version