Close #52 Updating README.md
Documentation update
Use the new ARS Download ID helper to calculate the Download ID in messages
~ Even better workaround for very badly written system plugins which output Javascript without a trailing semicolon and/or newline, leading to Javascript errors. This is not a bug in our software, it's a bug in those badly written plugins and WE have to work around THEIR bad code!
Update subscribes.php

I'm having problems with users copy and pasting in coupon codes ("activation codes"). There seems to be a trailing space often left in and this causes the validation to fail. Acceptable place to add an adjustment in?
Missing language string
Merge pull request #54 from mattfaulds/patch-1

# [LOW] Entering a coupon code with leading/trailing spaces leads to the coupon code not being recognised
CHANGELOG update
# [MEDIUM] Joomla! caches plugin information, leading to unexpected behaviour in various places
Language update
Update installation script with new class being used by the parent FOF installation script helper class
Support for pdomysql driver to be added in Joomla! 3.4
Documentation update: link to PayMill
added support for sharing host environments where you can run your server using https. Paypal will not be able to send an IPN. This change will allow to configure an insecure callback url protocol.
Merge pull request #55 from svenbluege/development

added support for sharing host environments where you can run your server using https
gh-55 Language clean up and changelog update
Translations update
Percentual surcharge was throwing a fatal error
Close #56
Merge pull request #57 from akeeba/feature/56-fix-perc-surcharge

Percentual surcharge was throwing a fatal error
Update select.php

Attribute name and value were not joint correctly and there was no space between the attribute name and the value of the previous attribute.