adding && and || operators
adding comment in parser
adding comment tests
add flex optimization
cleaning parser, making it reentrant
adding color to interactive interpreter
fixing shell output depending on context
fixing bugs on parser callbacks
refactoring, using passes
add lazy evaluation
lazy function generation for interpreter too
adding first pass to allow forward function usages
small changes
saving current line
updating position of tokens
fixing column count
fixing interractive parser
position fix
fixing interactive exit
adding error testing capabilities