Initial commit. Issue #8
Add default messages for vailidators. Add a error container to validation. Fix paths in test cases. Issue #8.
Add a error setting method and connect it to the _validateField method. Issue #8
Add a message field to setRule method. Issue #8.
Fix test cases #8.
Connect validation messages to _validateField method
Update travis link in README.md
Add support for messages with empty fields for arguments #8.
Add test cases for messages #8.
Fix test cases for error messages with parameters #8
Merge pull request #10 from mateuszsokola/create_error_handling_issue-8

Add error handling