Editing explanation and examples, adding senses

src/model/__init__.py

@@ -1,3 +1,4 @@
 from model.model import Model
 from model.sense import Sense
 from model.translation import Translation
+from model.example import Example

src/model/sense.py

@@ -25,3 +25,10 @@ class Sense(Editable):
         for clusterNum, translation in translations:
             self.translations[clusterNum - 1].append(translation)
 
+
+class NewSense(Sense):
+    def __init__(self):
+        self.translations = []
+        self.labels = []
+        self.definition = []
+        self.examples= []