Removed unrelated changes to the contains method, reverted the exception handle

Author: thekafkaf

jsonpointer.py

@@ -166,8 +166,7 @@ def resolve(self, doc, default=_nothing):
 
             try:
                 doc = self.walk(doc, part)
-            # Catching a broad exception to ensure the return of the default
-            except:
+            except JsonPointerException:
                 if default is _nothing:
                     raise
                 else:
@@ -250,7 +249,7 @@ def walk(self, doc, part):
 
     def contains(self, ptr):
         """ Returns True if self contains the given ptr """
-        return len(self.parts) >= len(ptr.parts) and \
+        return len(self.parts) > len(ptr.parts) and \
              self.parts[:len(ptr.parts)] == ptr.parts
 
     @property

tests.py

@@ -96,7 +96,6 @@ def test_contains(self):
         p3 = JsonPointer("/b/c")
 
         self.assertTrue(p1.contains(p2))
-        self.assertTrue(p1.contains(p1))
         self.assertFalse(p1.contains(p3))