Typo in PayPal gateway caused correct working of payment flow (bug#: 5470);<br />Typo in uninstall message;<br />Change in 'refresh' process, now inserts parameters of gateways as well;<br />Parameter currency was not correctly passed to PayPal;<br />Get rid of public member variables such as 'global $gCms';<br />Minimum version set to 1.8.1 due to removal public member variables.