Code cleanup for "membersManager" package to make it type-safe

PullUp: Refactored to use Processor on MembersManager

StatementList refactoring

PullUp: processor added

PyExtractSuperClass and PyPullMembersUp refactored and covered with tests.

PyExtractSuperClass and PyPullMembersUp refactored and covered with tests.

python/testData/refactoring/pullup/moveInstanceAttributesLeaveEmptyInit.after.py

@@ -0,0 +1,21 @@
+class Parent(object):
+    C = 12
+
+    def foo(self):
+        pass
+
+    def __init__(self):
+        self.foo = 12
+
+
+class Child(Parent, object):
+    def __init__(self): pass
+
+    AC = 11
+
+    def foo(self):
+        pass
+
+
+class Bar(object):
+    pass

python/testData/refactoring/pullup/moveInstanceAttributesLeaveEmptyInit.py

@@ -0,0 +1,19 @@
+class Parent(object):
+    C = 12
+
+    def foo(self):
+        pass
+
+
+class Child(Parent, object):
+    def __init__(self):
+        self.foo = 12
+
+    AC = 11
+
+    def foo(self):
+        pass
+
+
+class Bar(object):
+    pass

python/testData/refactoring/pullup/presenter/file.py

@@ -52,4 +52,11 @@ class HugeChild(SubParent1, date): #SubParent1 is disabled
 
     @staticmethod
         def bad_method(): #Code has errors, so method should be not be marked as static
-            pass
+            pass
+
+class Bar(object):
+    C = 1
+
+class Foo(Bar):
+    def __init__(self):
+        self.foo = 12