Remove combinator
Line and columns starts at 1
Bug fix initSourcePos
Refactor syntax module
Bug fix
Remove Parsec dependency in Error, SourcePos
Explicit dependency
Refactor Parser. Remove Combinator
Bug fix special character
Refactor EvalEnv => Env
Add parseSyntaxFromFile
Add isInteger, isBool, etc ...
Refactor Eval and Env
Add IO skeleton. Missing pure primitives
Add monads primitives
Better error msg
Bug fix primitive monads. Better error msg
Add String support
Add '/' character
Bug fix show instance of Litteral