11.0.0 - 2011-08-04 2 Initial version. 31.0.1 - 2012-10-01 4 Added requirements checks. 51.0.2 - 2013-01-07 6 Added bug fix that caused source images with transparency to have artifacts when output at the same dimensions as the source. 71.0.3 - 2016-07-22 8 Updated class constructor to __construct() as PHP4-style constructors are now deprecated. Props @nuxodin. 9 Removed trailing whitespace from blank lines. 101.0.4 - 2016-09-27 11 Updated version to get composer to track properly. 12