0.5.4-beta

Changes

• Increase rate-limit time to allow for delays when starting to read
• Customizable logging levels for "pyemitter" and "plugin" (streaming server)
• Display [spotify.py] error messages in the home view
• Added migrator to handle the unclean 0.4 -> 0.5 update

Fixed

• Ensure stream is open when checking for a similar range
• Problem streaming subset ranges