Resolve "Add a "day/time" heatmap"

Closes #45

See merge request !41

Resolve "Merge days count settings for counts_by_day and count_by_hour"

Closes #46

See merge request !42

Resolve "Fix chart when empty or loading data"

Closes #43

See merge request !40

Resolve "Refresh on pull down"

Closes #6

See merge request !28

Resolve "Add "top artists" streamline"

Closes #33

See merge request !39

Resolve "Display current data/chart while fetching new data"

Closes #42

See merge request !38

Resolve "Add a "date range" selector"

Closes #18

See merge request !11

Resolve "Add settings page with security token"

Closes #2

See merge request !37

Resolve "Improve refresh data and charts"

Closes #41

See merge request !36

Resolve "Display previous data while fetching update"

Closes #10

See merge request !27

Resolve "Fix days counts"

Closes #38

See merge request !33

Resolve "Improve swipe left/right"

Closes #37

See merge request !34

Resolve "Update dependencies"

Closes #40

See merge request !35

Resolve "Persist scrobbles data"

Closes #36

See merge request !32

Resolve "Clean / move some code"

Closes #35

See merge request !31

Resolve "Improve "discoveries" chart"

Closes #34

See merge request !30

Resolve "Fix/improve charts display"

Closes #32

See merge request !29

Resolve "Add "top artists" chart"

Closes #17

See merge request !25

Resolve "Split global / period statistics"

Closes #31

See merge request !26

Resolve "Allow navigation with swipe"

Closes #30

See merge request !24