Corrected parameters for addToImageMap method call

v2.0.12

correcting sprintf arguments

Better temporary name for cache files

Thanks to @jamesleesaunders

Fixed possible division by zero error

Thanks to @lhilton

Fixed incorrect array key used

Thanks to @spiro79

Fixed incorrect array key used

Thanks to @spiro79

Fixed palette loading on PHP 7.1

v3.0.4

Merge branch '2.0'

Fixed palette loading

v2.0.10

Fixed palette loading on PHP 7.1

Fixed default palette folder path

v3.0.3

Fixed default palette folder path

Even more fixes for arrays initialized as strings

v3.0.2

Merge branch '2.0'

Fixed more arrays initialized as strings

v2.0.9

Fixed arrays initialized as strings, again