message: Updated package.json file
diff: {
  "name": "DataFrame",
  - "version": "1.6.0",
  + "version": "1.15.0",
  "homepage": "https://github.com/hosseinmoein/DataFrame",
  "repository": "github:hosseinmoein/DataFrame",
  "author": "Hossein Moein <myseajune@aol.com>",
  - "description": "C++ DataFrame -- R's and Pandas DataFrame in modern C++ using native types, continuous memory storage, and no virtual functions",
  + "description": "C++ DataFrame for statistical, Financial, and ML analysis -- in modern C++ using native types, continuous memory storage, and no pointers are involved",
  "license": "BSD 3-Clause"
  }
  