Update README.md
fix xccmd to find proper target. Previously xccmd command just calls the action with target "nil" which eventually handled by responder chain.
Since some actions in menu has a concrete target and we must specify it when invoking now we find the action from menu and specify the target as well.

Conflicts:

	XVim/XVimExCommand.m
Merge branch 'master' of github.com:JugglerShu/XVim

* 'master' of github.com:JugglerShu/XVim:
  Update README.md
  amend comment typo
  fix bug 'dw' and 'dW' issue #346
Revert "fix xccmd to find proper target. Previously xccmd command just calls the action with target "nil" which eventually handled by responder chain."

This reverts commit adec13be8e4de7b906bea8af294d32b008601278.
fix xccmd to find proper target. Previously xccmd command just calls the action with target "nil" which eventually handled by responder chain.
Since some actions in menu has a concrete target and we must specify it when invoking now we find the action from menu and specify the target as well.

Conflicts:

	XVim/XVimExCommand.m
Build with LOGGER_DISABLE_DEBUG