Rename Client_ExportLinkTest to Client_ExportTest
Use getFutureValidityDate method instead of date (refacto)
Fix DATE format in PHPDOC
Change reconciliation/export to reconciliation/exportReconciliation (in utests)
Add func tests for exports
Refactoring of getFutureValidityDate in a tool class
Refactoring some duplicate code in a FCase class (functionnal test)