export only what is needed
parse function related definition
functions in {M,F} and fun/X format to register
remove warnings in parser
add bnot operation
fix typo errors in 'if'
use records instead of tuples
ensure divzero is throw as error edivzero
binary operators
ensure eval is used when the action to perform is different to print*
remove terminal unused
global link context and statement
tests for logic operations
global vars handle in subcontexts
let dict as value in register_var/3
note for future enhancements
modular programming possible!
let concat function result
update doc