Added Twig extension + Price service stubs
Merge pull request #20 from crevillo/services-handlers

Services handlers
Implemented ezprice_value twig extension
Merge pull request #21 from ezsystems/twig_extension_test

Twig extension test
Made the Calculator return a Value

The test was wrong, and was passing an array instead of a Price\Value. This changes this, and updates the implementation accordingly.
Merge pull request #22 from ezsystems/fix_calculator_value

Made the Calculator return a Value
Implemented vatHandler
Fixed Calculator test after the change of array to Value
Fixed converter because in the table we have not 0 or 1. We have 1 or 2
Remove fromPersistence function as we do not need it. Also fix a cs issue in the SortInfo
Changed converter and gateway to get the values properly
Added Exceptions for general not found vat rate and for legacy Automatic
Add logger to the test so it could pass
missed phpdoc
Added new exception for the case vat identifier is not found (ex. data_tex ==empty)
Merge pull request #28 from crevillo/vathandler_rebased

Implemented initial legacy vat handler
Added a new Vat Finder Service and refactored the Vat Service to work with the vat identifier instead
Merge pull request #29 from crevillo/vatservice-refactor

Added a new Vat Finder Service and refactored the Vat Service to work wi...
Merge pull request #26 from ezsystems/EZP-23049-price_service

Added VAT handling through services & persistence