Update vital-over: implement smart_backward_word feature
spec: add smart_backward_word option
doc: incsearch#smart_backward_word
Merge branch 'improved-backward-word' into dev
Fix regexp & escape double quote

ref #37
Merge branch 'update-vital-over' into dev
Do not highlight for patterns which match everything
Merge branch 'improve-highlight' into dev
update vital-over: handle exit key in {rhs} and <C-r>=

ref: #37
Merge branch 'update-vital-keymap' into dev
Throw the rest of key mappings with feedkeys()
Use MyExit module as a workaround

- `lock` mappings in a multi {rhs} won't be remapped
Merge branch 'improve-rhs-handling' into dev
Implement module management system

see incsearch option on_enter to toggle modules
Merge branch 'module-management' into dev
spec: add module management spec
Add release notes on 0.9.9
Bump up version to 0.9.9
Merge branch 'prepare-for-0.9.9' into dev
Merge branch 'dev': Bump up version to 0.9.9