Weights, Query Options, and Cleanup

• Added the ability to weigh certain audio features more than others, or eliminate any from consideration.
• Added menu for additional query options.
• Added top listened as query option for three time ranges: several years, several months, and several weeks.
• Added limit and offset for saved tracks query.
• Added playlists as query option.
• Added albums as query option.
• Added artists as query option.
• Redid samples with greater variety.
• Protection added against rate limiting.
• Coding cleanup and better component organization.
• Documented code.
• Updated README.

First Release

• Spotify Login
• 3D map from t-SNE
• Dynamic playback with Spotify
• Sample Data