Test new data structures
Merge
Merge f4a1ecd363e4ffe82b97eb178182e6d85d9a0bf5
Merge 50eb495a90063e67db61a00de39f9ab4aa963e8d
Merge 490baa16aae6680792d31316be12a75b50236baa
Merge edfddc6070ca6d4223d359fb4b38273a5aed2f2d
experimantal version of equalize
Kludge support for ARW files using libRaw