Add vimOperParen to skip (closes #54)

Author: andymass

after/ftplugin/vim_matchup.vim

@@ -4,7 +4,7 @@ set cpo&vim
 
 let b:match_skip = 's:comment\|string\|vimSynReg'
       \ . '\|vimSet\|vimFuncName\|vimNotPatSep'
-      \ . '\|vimVar\|vimFuncVar\|vimFBVar'
+      \ . '\|vimVar\|vimFuncVar\|vimFBVar\|vimOperParen'
 
 call matchup#util#patch_match_words(
       \ '\<aug\%[roup]\s\+\%(END\>\)\@!\S:',