Prestashop validator compliance update

Merge pull request #7 from easytransac/feature/code-validation

Prestashop validator compliance update

Compatibility Prestashop 8 and SDK update

3.3.2

• Prestashop 8 compatibility
• Update Easytransac SDK Version 1.3.7

Partial refund and SDK 1.3.2

3.3.1

Partial refund added and update to SDK 1.3.2.

Payment in instalments

Adds an optional plugin feature: pay in 2, 3 or 4 times.

SDK update v1.3.0

3.2.2

Update README.md

Bug fix

3.2.1

error fix

Refund

The refund feature was added.

EasyTransac SDK v1.2.0 update for Prestashop v1.6

Only SDK update for Prestashop v1.6.

EasyTransac SDK v1.2.0 update

EasyTransac SDK v1.2.0 update

Prestashop 1.7 Bugfix update

A configuration parameter was missing as it wasn't loaded by error. This fixes the following error : [8] Undefined index: EASYTRANSAC_REQUIREMENTS_HELP