Custom rules

• Add ability to pass custom rules
• Add ability to pass rules as array
• Get rid of any database validations. Remove Phalcon and Wordpress adapters
• Add more tests

Version 1.1.1

• Removed version on composer.json

Version 1.1.0

• Added Respect/Validator package
• Changed the rules process to use respect validator instead
• Changed the orm contracts into a separated unique and exist
• Renamed the DbProviders adapters
• Transformed PDO into an adapter instead
• Updated the tests suite
• Updated the documents

Version 1.0.0

Merge pull request #16 from progsmile/analysis-8PxM69

Applied fixes from StyleCI