Formally deprecate [o and ]o
Remove Base64 encoding from documentation
unimpaired.vim 1.2

* Add repeat.vim support.
* Add [t and ]t for :tprev and :tnext.
* Add [n and ]n for jumping between conflict markers.
* Add [<C-Q> and ]<C-Q> for :cpfile and :cnfile.
* Add [<C-L> and ]<C-L> for :lpfile and :lnfile.
* Deprecate [o and ]o in favor of new maps [f and ]f.
* Improve robustness of [f and ]f.
* Improve robustness of [e and ]e.
* Fix unescaping of "\a" and "\$".
* Work around `unnamedplus' in clipboard.
* Expose API for custom encoding algorithms.