Documentation improvement
- Fix the documentation norm
- Improve doc coverage (array, numeric, string mainly)
- Add few infos (params, returns)
- Specify when no arguments/returns
Fix bugs
Improve StringHelper
- String #to_f => #to_fi, ...
- Add few raise ArgumentError (documented)
Fix tests for the new features
UPDATE TODOLIST
Add changelog, update version to v1.1.1