Add composer autoloading to example file
Initial phpunit xml config (for distribution)
Add phpUnit to development requirements
Shut scaner simple tests
Reformat code
Context test: Functions definition
Context test: Constant definition
Run PSR code style fixer
Run PSR code style fixer
Very simple parser test
Add few more simple parsing tests
Refactor test name
Refactor test location
Split parser tests to different files
Constants and calculations tests
Add division from zero test
Fix test name
Fix PSR standards in tests
Place RuntimeError exception to separate folder
Place Parser and Syntax Errors in Exception folder