1.1.0

• added new options:
  • --song
  • --song-short
  • --album
  • --artist
  • --artist-short
  • --playback-status
• extracted version to spotifycli/version.py file
• removed short options:
  • -h
  • -v
• added info about utf-8 encoding to the file header
• updated script shebang from #!/usr/bin/env python to #!/usr/bin/python -u due to problems with the script execution