lexer testing: atom-lexemes base cases covered
Merge branch 'develop' into feature/5-lexer-tests-coverage
Lexer, atom token: unit tests updated
WIP, Lexer, atom token: unit tests updated
spec renamed
refactor
code clean
code clean
code clean
Merge branch 'develop' into feature/5-lexer-tests-coverage
Merge pull request #9 from unixod/feature/5-lexer-tests-coverage

Feature/#5 lexer tests coverage