fix(python2): Fix reading from stdin

Reading from stdin was broken in python2. This was not noticed, because
stdin is mocked in the tests.

Apparently the same applies to writing.

This commit fixes both.

Closes #35

Author: open-dynaMIX

anonip.py

@@ -142,12 +142,14 @@ def run(self, input_file=None):
             # Assign here instead of using a default parameter value
             # to allow "late binding".
             input_file = sys.stdin
-        for line in input_file:
+        line = input_file.readline()
+        while line:
             line = line.rstrip()
 
             logger.debug("Got line: %r", line)
 
             yield self.process_line(line)
+            line = input_file.readline()
 
     def process_ip(self, ip):
         """
@@ -403,7 +405,7 @@ def main():
         else:
             output_file = sys.stdout
         for line in anonip.run(input_file):
-            print(line, file=output_file)
+            print(unicode(line), file=output_file)
             # TODO: when dropping support for Python <= 3.3, move the
             # flush into the print()
             output_file.flush()