v0.3.7

• Update version to 0.3.7-SNAPSHOT by @edurdevic in #288
• Aligned pypi release action to scala build by @edurdevic in #289
• Releases/v 0.3.7 by @edurdevic in #292
• Added GDAL and 32 rst_* raster functions:
  • RST_BandMetaData
  • RST_GeoReference
  • RST_IsEmpty
  • RST_MemSize
  • RST_MetaData
  • RST_NumBands
  • RST_PixelWidth
  • RST_PixelHeight
  • RST_RasterToGridAvg
  • RST_RasterToGridMax
  • RST_RasterToGridMin
  • RST_RasterToGridMedian
  • RST_RasterToGridCount
  • RST_RasterToWorldCoord
  • RST_RasterToWorldCoordX
  • RST_RasterToWorldCoordY
  • RST_ReTile
  • RST_Rotation
  • RST_ScaleX
  • RST_ScaleY
  • RST_SkewX
  • RST_SkewY
  • RST_SRID
  • RST_Subdatasets
  • RST_Summary
  • RST_UpperLeftX
  • RST_UpperLeftY
  • RST_Width
  • RST_Height
  • RST_WorldToRasterCoord
  • RST_WorldToRasterCoordX
  • RST_WorldToRasterCoordY
• Fixed geometry creation from empty Seq
• Fixed landmarks_miid and candidates_miid column names parameter in KNN
• Improved docs

Full Changelog: v_0.3.6...v_0.3.7