Can now use <tab> to auto-complete the directory for the :CtrlP [starting-directory] command.
Prompt history: put last string into history as well (accepted or not).
Remove |g:ctrlp_persistent_input|, |g:ctrlp_live_update| and <c-^>.
Use <c-z> to mark/unmark files and <c-o> to open them. You can enter new input strings and continue to mark more files. The list of marked files will be cleared upon exiting CtrlP.
* New option `g:ctrlp_live_update`: enable/disable the update-as-you-type functionality.
* New option `g:ctrlp_max_depth`: the maximum directory depth to recurse into.
* New command `ResetCtrlP`: reset all options and take in new values of the option variables.
* Various other changes and bugfixes.
