Get rid of filename extensions completely.<br />Now use exceptions alot more than error status (allows cleaning up code).<br />Adds the filter_##_name syntax which allows calling the same filter multiple times.<br />Adds a simple transparency filter.<br />Adds a simple untransparent filter.<br />Rewrites the rounded corners filter.<br />Rewrites the resize to fit filter (again).<br />Rewrites the rotate filter.<br />Fixes problems with empty cache path<br />alt attribute is now allowed to be empty.