v0.3.0

• Upgrade to Crystal 0.34.0

• Add support for data binning with Statistics.bin_count.

  sample = [0.5, 0.8, 0.85, 1.2, 2, 2.2, 2.8, 3.3, 4]
  
  Statistics.bin_count(sample, bins: 4, min: 0)
  # [{0.0, 3}, {1.0, 1}, {2.0, 3}, {3.0, 2}]

  You can check out the docs for more details.