fix: ignored config parameter issue
Merge pull request #34 from cabumtz/fix_config

fix: ignored config parameter issue
chore: add comment
fix #32: remove useless newline after directives
test: add coverage, improve coverage rate
test: add newlines test from #32
chore: remove it.only
chore: change makefile,travis.yml
fix #32: trim newline when #if end with blank space newline
test: add helper test, imporve coverage
chore: add more test, change readme
test: add test for #34, config support