test for not working call signatures with whitespace issues
call signatures with whitespace seem to be working
user_stmt refactoring
fix an issue with invalid syntax
move usages to its own api module usages
test for dynamic params/usages case
removed keyword docstring functionality for goto_definitions - will be reintroduced with a Script.documentation function
create a helpers module to push some api functions into it (make the api code easier to read.
removed some functions from classes
simplified _prepare_goto
moved more functions from api to helpers
move some tests into specific directories
move more test files to specific directories
moved api, parser and evaluate test directories to test_api, test_parser...
start correcting the documentation