change: width and height methods has been removed and size method has been added.
add: rawsize method has been added.
add: SETVAL_IN_RANGE macro has been added.
change: save method will be save a stretched image. and resize method has been removed.
change: alignment constants name has renamed.
add: saveCrop method has been added.
fix: should return the exact number of return values.
change: default alignments has been changed to horizontal center and vertical middle.
add: saveTrim method has been added.
add: saveAspect method has been added.
add: free method has been added.
fix: should call imlib_free_image_and_decache API.
change: member name img of data structure has renamed to blob.
change: struct context_t has renamed to img_t.
change: would be better to image save-method return nil or error string.
fix: type of argument err should be ImlibLoadError.
add: raw method has been added.
add: read method has been added.
add: format method has been added.
fix: should not set 0 to errno on unknown or no error.