#6 change DataTable options structure

Author: serhiivinichuk

CHANGELOG.md

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+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## [Unreleased]
+### Changed 
+- Move DataTable options to protected array. Add __set and __get methods.