add failing tests before fix addRule
fix addRule by merging the loaded language with the current messages
refactor test to use public interface instead of protected data by reflection
change test comment to state the fixing instead of the error
Add french language.
Merge pull request #35 from osaris/add-fr-lang

Add french language.
Added Italian translation
Merge pull request #36 from soulcanada/lang-it

Added Italian translation
Fix typo
Added russian translation
Merge pull request #39 from Kilte/lang-ru

Added russian translation
Merge pull request #38 from Kilte/lang-en-fix

Fix typo
Fix #33 Validation for length - Message is incorrect for between cases
Update translations
Update README.md
Merge pull request #40 from Kilte/feature-between

Validation for length - Message is incorrect for between cases
Fixed hasRule() method.
Merge pull request #41 from Kilte/fix-has-rule

Fixed hasRule() method.
Added credit card validation for Visa, Mastercard, American Express, Dinersclub and Discover
added docblock and readme docs for using the new filter