README.md in p4util-0.4

- old
+ new

@@ -33,9 +33,13 @@
     $ gem install p4util
 
 
 ## Changes
 
+* 0.4: Change working directory from './work' to '/tmp/p4util'. If you are using
+  perforce and have a local .p4config, you can't submit files if you're ignoring
+  the local './work' directory. This behavior may have changed in 15.1.
+
 * 0.3.1: Update p4ruby dependency to 2015.1.0
 
 * 0.3.0: Added the ability to initialize triggers
 
 * 0.2.0: Added the ability to create 'groups'
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