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Change `itunes` to `music`, as iTunes was renamed to Music in _**macOS** Catalina 10.15_
Co-authored-by: Marc Cornellà <marc.cornella@live.com>

- Get the iTunes volume without an argument
- Shift up / down iTunes volume

rmdsstore removes .DS_Store files recursively in the current directory by default, or for the given directories.

* use https everywhere

* use https links on the files that are left

Also, removed some broken links and updated redirections.

* Remove older shpotify code from the macOS plugin

* Add Shpotify 2.0.1 from the upstream repository at https://github.com/hnarayanan/shpotify/releases/tag/2.0.1

* Wrap the Shpotify script in a function and import into the macOS plugin

* Fix import path of the shpotify script

* Add shpotify permission notice in the macos plugin rREADME

* Merge with the upstream shpotify project

- Fix playlist playback
- Add a 'stop' command

Added playlist feature for the itunes command: 
if a variable is passed and is valid - will play the playlist
if a variable is passed and is invalid(no such playlist) - will stop all playing
if no variable is passed will print all playlists available on the host

* Improve UX for Spotify commands in osx plugin

Spotify command UX is a bit weak for people who live and work almost entirely in shells.
- `spotify quit` should not open Spotify if it is not already running. Should confirm that Spotify is indeed not running.
- `spotify quit` should not blow away the user's shell once Spotify is quit. This can be a disruption to work flow.

This PR looks to add a few little checks which will help improve this experience.
This PR also adds a space to line 477 between `break` and `;;` for consistency. Doesn't seem like a big enough change to put in its own PR.

* Rearranging output as per peer feedback

* osx plugin's spotify: change quitting w/ closing

Closing is more idiomatic English.

* initial spotify control

* volume up/down added

* add info, share and status option

* add color echo

* change pause to play/pause

* add Search Option for album,artist and tracks

* add search option for playlist

* fix showStatus output

* complete help

* readme updated

* seach show Url of song

Fixes the "syntax error: expected line end ..." (-2741) when using the tab, split_tab and vsplit_tab commands in iTerm2 v3

* updated OSX plugin docs

Related: #5179

* Modifies ofd to use alias to open_command instead of shell function with AppleScript

* Add ofd() to OSX plugin to open finder on current directory

* Change `pwd` to $PWD in osx.plugin.zsh
  Suggested by mcornella

Fixed indentation

Fixed indentation