Allow braces around arguments of functions
Tests: Add Travis config
Tests: Divide log and test scripts
Braces around function argument in SCSS
Equality sign == as a Token
Tokenize equality operators
Equality is one of operator types in SASS
Fix tests to accept ==
Inequality sign as a token
Tokenize inequality signs in SASS
Parse inequality as operators
Tests on equality and inequality operators
Removing extra linebreaks
Test for condition with inequality
Codestyle changes
Prettier code
Remove not used variables