Merge pull request #15 from relogiclabs/develop

Update project documentations

Update test cases for script

Update script data type implementations

Update built-in libraries for script

Refactor and optimize source code

Update script runtime and interpreter engine

Update Antlr generated files for script

Update Antlr grammar files for script

Merge pull request #14 from relogiclabs/develop

Update project documentations

Add and update test cases for script

Refactor and optimize code for script

Refactor and optimize code for script

Refactor runtime for script features