mozc-cursor-color.el: `mozc-current-input-mode' was not buffer-local accidentally.
mozc-cursor-color.el, mozc-isearch.el: Fixed typo in Commentary.
mozc-isearch.el: Split committed string into single-character strings.

This allows `isearch-delete-char' to delete single character from search string.
mozc-isearch.el: Use `equal' instead of `string=' to avoid possible error.
mozc-cursor-color.el: Fixed error handler not working properly.
mozc-cursor-color.el: Bumped version to 0.1.2.
mozc-isearch.el: Bumped version to 0.2.0.