register & unregister WPML wrapper functions plus single string support
simplified WPML register and added better unregister functionality
unregister strings in list items & sliders
fix count gone wrong when option ID has a number in it
unregister when option is deleted in the UI builder
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML
add WPML highlight
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML
pull in wip branch
Merge branch 'wip' of github.com:valendesigns/option-tree into feature-WPML