Fix Hour fields

Fix windDegree and windDirection fields from hourly forecast.

Multilanguage support

Multilanguage support for condition text.

Fix Current weather

• Add missing fields (uv, wind gust)

Paid license features

• Added hour parameter to Forecast (paid license only).
• Added until parameter to History (paid license only).
• Added wind gust to hourly forecast/history reponse.
• Deprecated HISTORY_SINCE_FORMAT constant.

PHP 7.1 compatibility

Merge pull request #8 from andreiavrammsd/php71-compatibility

PHP 7.1 compatibility

Frameworks integration and error handling fix

• Add Factory class for easier integration
• Fix error handling
• Global strict types check
• Add frameworks integration examples

v1.0: Merge pull request #4 from andreiavrammsd/dev

Full API development