KendoUI Upload Widget: 
- It would be great if it would be possible to defined a maxfileSize for specific file types and not only 1 maxFileSize for all file types. F.e.:
.jpg -> 500KB
.png -> 700KB
...

- In the SELECT event it should be possible to remove files from the file list (f.e. after doing programmatic validation to find files that should not uploaded: files.remove(id); So they are not displayed in progess/status window and will not be uploaded at all.