Auto width with -w 0; smooth scrolling with less --shift 1

CHANGES

 Change log
 ==========
 
+Version 0.9.5 (2014-06-19)
+
+  - Option `--width 0` now fits terminal size automatically
+  - Enable smooth horizontal scrolling with less option `--shift 1`
+
 Version 0.9.4 (2014-06-04)
+
   - Respect the `LESS' environment variable
   - Support python 3.4
   - Fix curl options in document

cdiff.py

 """
 
 META_INFO = {
-    'version'     : '0.9.4',
+    'version'     : '0.9.5',
     'license'     : 'BSD-3',
     'author'      : 'Matthew Wang',
     'email'       : 'mattwyl(@)gmail(.)com',