v3.0.0

• BACKWARD INCOMPATIBILE CHANGES
• [RB-17] success() now allows to return API code as well
• Corrected default config file containing faulty and unneeded use entries
• [RB-20] Renamed ErrorCode class to ApiCodeBase
• ApiCodeBase's getMinCode() and getMaxCode() are now public
• Improved error messages to be even more informative
• All exceptions thrown due to misconfiguration have CONFIG: message prefix now
• Renamed error_code param to api_code in all the method signatures
• :api_code is now code placeholder in strings (:error_code is no longer supported)
• Default HTTP codes are now declared as constants DEFAULT_HTTP_CODE_xxx if you need to know them
• ApiCodeBase::getMap() now ensures map config entry of expected array type
• [RB-26] Added successWithCode() method