Release 0.3.7
[FIX] Graph saving in widgets with multiple graphs
[FIX] Hyperspectra: moving integral region should not change outputs
[FIX] Hyperspectra: Fix coloring by a selected continuous variable
[FIX] Graph saving in widgets with multiple graphs
[FIX] Hyperspectra: moving integral region should not change outputs
[FIX] Hyperspectra: Fix coloring by a selected continuous variable