install is in debug nox for displaying helpfull error messages
test variable before using it
Merge pull request #394 from lunika/install

Install
reorder the {module_include location='customer_list_header'} in the template customers after firstname and lastname like the body of the table

add {module_include location='customer_list_header'} in the template search.html because there was only the line
{module_include location='customer_list_row'} in the body of the table
Merge pull request #395 from Yochima/yochima-branch

put the module_include "customer_list_header" in the correct place
Merge pull request #400 from roadster31/coupons-return

Coupons return
Created file. Removes some ununsed indexes
Additional fix for issue #408
Added coupon_country and coupon_module tables
Update module-tab-content.html

Suppression des caracteres en trop x=" et "
Added Model\Module::getModuleInstance() method
Typo !
$chosenDeliveryAddress and $chosenInvoiceAddress are now protected
Free shipping for selected countries and/or shipping methods
Free shipping for selected countries and/or shipping methods
Added FREE_SHIPPING_FOR_COUNTRIES_LIST and FREE_SHIPPING_FOR_MODULES_LIST
Free shipping restricitions based on Countries and Shipping module
Fixes french translation.
dded per-user coupon maximum usage
Applied php-cs-fixer