* Fixed issue #346 and changed the format of numbers when both relativenumber and number are set.
* Fixed issue #349 (incorrect replacement of '~' with user's home direcotry).
* Changed where appropriate so that tilde replacements happens correctly.
* Added a function to replace tilde with user's home directory, only when it should.
* Renamed ReplaceTilde to replaceTilde so that it won't get exported and removed some ';' at the end of some lines.
* Asynchronous deletion, similar to moving
* Reversed some sloppy new lines from previous commit
* Move delete operations to delete.go
* Simplify to use RemoveAll before
* Send errors directly to ui.exprChan directly
- preserve natural ordering of filenames if extensions are the same
or are missing
- files without extensions rank higher on ascending sort and lower
on descending sort
- Add access time and change time as sort by types. This is
powered by github.com/djherbis/times.
- Fall back to modification time if access time and change time
cannot be determined.
- Add `sa` and `sc` as default bindings for sort by access time and
sort by change time respectively.
- Add access time and change time to info types allowing them to be
displayed by the file list in the ui
* basic structure
* working rename, without making dir's and selection change
* mkdirAll if necessary
* updated TODO's
* rename with replace prompting
* path prompt and moved functionality to nav.rename()
* renewing now (no set period is needed)
* documentation, keybidning change, load file info after renaming
* go generate
* added ':delete' command
* fixed doc
* fixed typo
* added dummy function for delete for windows
* detacted the functionality from the OS
* now deletion works based on selections
* added effective selection
* delete no longer sends 'send sync'
* fixed typo
* fixed typo
* added DOC to effective selection
* added DOC to deleteFiles()
* fixed DOC typos
* added ability to overwrite :delete
* added ability to overwrite :delete
