CHANGELOG addition and slight modification of the setColor method

CHANGELOG

@@ -11,11 +11,16 @@ pyqtgraph-0.9.11  [unreleased]
     - Remove all modifications to builtins
     - Fix SpinBox decimals
 
+  API / behavior changes:
+    - Change the defaut color kwarg to None in TextItem.setText() to avoid changing
+      the color everytime the text is changed.
+
   New Features:
     - Preliminary PyQt5 support
     - DockArea:
 	- Dock titles can be changed after creation
         - Added Dock.sigClosed
+    - Added TextItem.setColor()
 
   Maintenance:
     - Add examples to unit tests

pyqtgraph/graphicsItems/TextItem.py

@@ -124,7 +124,6 @@ class TextItem(GraphicsObject):
         """
         self.color = fn.mkColor(color)
         self.textItem.setDefaultTextColor(self.color)
-        self.updateTextPos()
         
     def updateTextPos(self):
         # update text position to obey anchor