Merge pull request #2 from mad474/mad474-patch-1

upysh: Mention "mv" command in help text

Author: mad474

upysh/upysh.py

@@ -75,7 +75,7 @@ def __repr__(self):
 
 upysh commands:
 pwd, cd("new_dir"), ls, ls(...), head(...), cat(...)
-newfile(...), rm(...), mkdir(...), rmdir(...),
+newfile(...), mv("old","new"), rm(...), mkdir(...), rmdir(...)
 clear
 """)