added exclude option to sync commands
remove smartmatch
allow set callback and environment together
Count code sections (fix #204)
Merge branch 'master' into development
Fix #377

This fixes the 'Possible precedence issue with control flow operator'
messages seen while using rex with perl-5.20.0.
perltidy
Fix typo
perltidy
perltidy
added rex.io integration (cache)
Avoid warning if there's nothing to upgrade
fixed #255
no filter for action
merged maxhq/a5a108f
fixed #375
fixed #376
fixed  #353
fixed for #376 comment-46528103
merged ccakes #372