chore(): release v2.0.1

chore(): commit package-lock.json & apply some `npm audit fix`

chore(): update version, travis node versions etc

chore(): bump version & release

chore(): bump version & release

chore: increase version & release

chore: import lodash only for specs

- adding support for TypeScript - thanks to @serkanyersen closes #1

added joinSafe()

added removeExt