Merge pull request #18 from qtheuret/qtheuret-patch-1

[FIX] Fix KeyError when a kwargs key is not defined

wallabag_api/wallabag.py

@@ -124,8 +124,9 @@ class Wallabag(object):
         :param kwargs:
         :return: value of the parm
         """
+        if what in kwargs:
             value = int(kwargs[what]) if type_attr == 'int' else kwargs[what]
-        if what in kwargs and value in value_attr:
+            if value in value_attr:
                 return value
 
     # ENTRIES