python: added ability to move multiline statements

fixed PY-6587 Move Statements: inconsistent selection on moving more than one statement up or down.

python/testData/mover/functionBlock.py

@@ -3,7 +3,7 @@ class A:
     def foo(self):
         pass
 
-    <selection>def<caret> bar(self):
+    <selection><caret>def bar(self):
       pass</selection>
 
     def baz(self):

python/testData/mover/functionBlock_afterDown.py

@@ -6,5 +6,5 @@ class A:
     def baz(self):
         pass
 
-    <selection>def<caret> bar(self):
+    <selection><caret>def bar(self):
       pass</selection>

python/testData/mover/functionBlock_afterUp.py

@@ -1,6 +1,6 @@
 class A:
 
-    <selection>def<caret> bar(self):
+    <selection><caret>def bar(self):
       pass</selection>
 
     def foo(self):

python/testData/mover/multiLineSelection.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection>a = 1
+b = 2
+<caret></selection>

python/testData/mover/multiLineSelection1.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection>        a = 1
+        b = 2
+<caret></selection>

python/testData/mover/multiLineSelection10.py

@@ -0,0 +1,3 @@
+if True:
+ <caret><selection>   a = 2
+    b = 3</selection>

python/testData/mover/multiLineSelection10_afterDown.py

@@ -0,0 +1,4 @@
+if True:
+    pass
+<caret><selection>a = 2
+b = 3</selection>

python/testData/mover/multiLineSelection10_afterUp.py

@@ -0,0 +1,4 @@
+<caret><selection>a = 2
+b = 3</selection>
+if True:
+    pass

python/testData/mover/multiLineSelection1_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection>    a = 1
+    b = 2
+<caret></selection>

python/testData/mover/multiLineSelection1_afterUp.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+    def q(self):
+<selection>        a = 1
+        b = 2
+<caret></selection>        c = 3

python/testData/mover/multiLineSelection2.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+    <selection>a = 1
+    b = 2
+<caret></selection>

python/testData/mover/multiLineSelection2_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection>a = 1
+b = 2
+<caret></selection>

python/testData/mover/multiLineSelection2_afterUp.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+        <selection>a = 1
+        b = 2
+<caret></selection>

python/testData/mover/multiLineSelection3.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+    def q(self):
+<selection>        a = 1
+        b = 2
+<caret></selection>

python/testData/mover/multiLineSelection3_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        pass
+<selection>    a = 1
+    b = 2
+<caret></selection>

python/testData/mover/multiLineSelection3_afterUp.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+<selection>    a = 1
+    b = 2
+<caret></selection>    def q(self):
+        pass

python/testData/mover/multiLineSelection4.py

@@ -0,0 +1,5 @@
+class Test(object):
+<selection>    a = 1
+    b = 2
+<caret></selection>    def q(self):
+        c = 3

python/testData/mover/multiLineSelection4_afterDown.py

@@ -0,0 +1,5 @@
+class Test(object):
+    def q(self):
+<selection>        a = 1
+        b = 2
+<caret></selection>        c = 3

python/testData/mover/multiLineSelection4_afterUp.py

@@ -0,0 +1,5 @@
+<selection>a = 1
+b = 2
+<caret></selection>class Test(object):
+    def q(self):
+        c = 3

python/testData/mover/multiLineSelection5.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection><caret>a = 1
+b = 2
+</selection>

python/testData/mover/multiLineSelection5_afterDown.py

@@ -0,0 +1,8 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+
+<selection><caret>a = 1
+b = 2
+</selection>

python/testData/mover/multiLineSelection5_afterUp.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection><caret>    a = 1
+    b = 2
+</selection>

python/testData/mover/multiLineSelection6.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<caret><selection>        a = 1
+        b = 2
+</selection>

python/testData/mover/multiLineSelection6_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<caret><selection>    a = 1
+    b = 2
+</selection>

python/testData/mover/multiLineSelection6_afterUp.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+    def q(self):
+<caret><selection>        a = 1
+        b = 2
+</selection>        c = 3

python/testData/mover/multiLineSelection7.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+    <caret><selection>a = 1
+    b = 2
+</selection>

python/testData/mover/multiLineSelection7_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<caret><selection>a = 1
+b = 2
+</selection>

python/testData/mover/multiLineSelection7_afterUp.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+        <caret><selection>a = 1
+        b = 2
+</selection>

python/testData/mover/multiLineSelection8.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+    def q(self):
+<caret><selection>        a = 1
+        b = 2
+</selection>

python/testData/mover/multiLineSelection8_afterDown.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        pass
+<caret><selection>    a = 1
+    b = 2
+</selection>

python/testData/mover/multiLineSelection8_afterUp.py

@@ -0,0 +1,6 @@
+class Test(object):
+
+<caret><selection>    a = 1
+    b = 2
+</selection>    def q(self):
+        pass

python/testData/mover/multiLineSelection9.py

@@ -0,0 +1,5 @@
+class Test(object):
+<caret><selection>    a = 1
+    b = 2
+</selection>    def q(self):
+        c = 3

python/testData/mover/multiLineSelection9_afterDown.py

@@ -0,0 +1,5 @@
+class Test(object):
+    def q(self):
+<caret><selection>        a = 1
+        b = 2
+</selection>        c = 3

python/testData/mover/multiLineSelection9_afterUp.py

@@ -0,0 +1,5 @@
+<caret><selection>a = 1
+b = 2
+</selection>class Test(object):
+    def q(self):
+        c = 3

python/testData/mover/multiLineSelection_afterDown.py

@@ -0,0 +1,8 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+
+<selection>a = 1
+b = 2
+<caret></selection>

python/testData/mover/multiLineSelection_afterUp.py

@@ -0,0 +1,7 @@
+class Test(object):
+
+    def q(self):
+        c = 3
+<selection>    a = 1
+    b = 2
+<caret></selection>