Spotify-cli-linux

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*19 May 2019*
- fixed displaying of the lyrics - PR 48

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*12 May 2019*
- performed code cleanup by re-ordering functions
- fixed grammar in docs
- replaced duplicated calls in bash scripts with loops
- updated string formatting with `print(f'...')` method - PR 44
- changed version check to all Python 3 versions - PR 46
- added function to display the image url of the album with `--arturl` parameter - PR 45
- added support for third-party clients with `--client CLIENTNAME` parameter - PR 45
- abandonned deprecated Python 2 support (Python 2.7 development will stop in 2020)
- now we're supporting Python 3 only what was reflected in the script shebang and code

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*04 Apr 2019*
- fixed volume control (now script controls app volume instead of system volume) - issue 10, PR 40

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*07 Feb 2019*
- handling input in a different way in shell mode depending on Python version

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*02 Feb 2019*
- added dependency to `lyricwikia`
- added `--lyrics` option

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*22 Jan 2019*
- added shell mode