Updated CHANGELOG to reflect the recent changes

Author: tleonhardt

CHANGELOG.md

@@ -3,8 +3,12 @@
     * Fixed issue where piping and redirecting did not work correctly with paths that had spaces
 * Enhancements
     * Added ability to print a header above tab-completion suggestions using `completion_header` member
-    * **pager** is now a settable parameter which controls pager command used by ``cmd2.Cmd.ppaged`` method
-        * **pager** looks for *PAGER* environment variable if present or uses sane defaults if not
+    * Added ``pager`` and ``pager_chop`` attributes to the ``cmd2.Cmd`` class
+        * ``pager`` looks for *PAGER* environment variable if present or uses sane defaults if not
+        * ``pager_chop`` appends a **-S** flag if ``pager`` starts with **less**
+    * Added ``chop`` argument to ``cmd2.Cmd.ppaged()`` method for displaying output using a pager
+        * If ``chop`` is ``False``, then ``self.pager`` is used as the pager
+        * Otherwise ``self.pager_chop`` is used as the pager
 
 ## 0.8.8 (TBD, 2018)
 * Bug Fixes