Add some documentation to the validator
Improve documentation for now
Merge branch 'master' of github.com:hylianshield/validator

* 'master' of github.com:hylianshield/validator:
Patched child project with parent hotfix for BIC validator
Improved documentation
Removed placeholder
Fix typo
Add reference to online API doc
Merge pull request #4 from johmanx10/hotfix/fix-bic-validator

Hotfix/fix bic validator