v1.4.1

• Remove all lowercase shortname of all metrics
• Fix bugs in GINI function belongs to ClassificationMetric
• Fix bugs in some functions belong to ClusteringMetric
• Update characteristics of most of the functions (valid ranges and best value)
• Add metrics to ClusteringMetrics
  • Entropy Score (ES)
  • Purity Score (PuS)
  • Tau Score (TS)
  • Duda-Hart Index (DHI)
  • Sum of Squared Error Index (SSEI)
  • Beale Index (BI)
  • R-Squared Index (RSI)
  • Density-Based Clustering Validation Index (DBCVI)
  • Hartigan Index (HI)
• Add get_support() method in RegressionMetric, ClassificationMetric, and ClusteringMetric
• Update and add more examples to all classes.
• Update documents for all metrics.