Implementation of environment and Ratra's type managed
a first version of the parser (untested yet)
update parser and test, adding cmakeLists to compile
Filling the README.md
Creating the AST classes
Creating the AST classes
Upgrade Environment and GC
Adding RatraValue and modifications on Environment
Adding the ability to  change to keywords language
Removing old files (previous commit mistake)
Refactoring the syntax, update Makefile
Refactoring the syntax, update Makefile
Ast.h, Ast.cpp and CallStack.h added
Resolving parse erors, and adding function definition
Merge branch 'dev' of https://github.com/AymanR/Ratra into dev
Update
Definition of the eval
Fixing bugs, adding few more features and test files
Merge pull request #1 from AymanR/dev

Dev