Improved documentation
Improved documentation

EntilZha/PyFunctional,lucidfrontier45/ScalaFunctional,EntilZha/ScalaFunctional,lucidfrontier45/ScalaFunctional,ChuyuHsu/ScalaFunctional,EntilZha/ScalaFunctional,ChuyuHsu/ScalaFunctional,EntilZha/PyFunctional