Version 1.0.6
Merge pull request #33 from lilobase/master

add codecoverage  & add french word in str_to_bool & add an array_clean
Add code coverage badge
Update README.md
Merge pull request #34 from lilobase/master

improve test coverage
Merge pull request #35 from lilobase/master

[FIX] add tests and fix a bug on number_to_word in two digits numbers
Update README.md
Increasing unit test coverage & fixing bugs